1956 Question.
Action to be taken if lube oil shows high viscosity.
1955 Question.
Purifier speed drops during running. Reason
1954 Question.
Msw p/p opened for overhaul. What all checks you carry out and what
parts you will renew
1953 Question.
Checks after decarb -Main engine
1952 Question.
How to increase pressure in MAN fuel valve
1951 Question.
Stern tube bearing arrangement
1950 Question. Stern tube Leakage Test:
1949 Question.
Shell and Deck Plate Repairs
1948 Question.
Preparation before stern tube survey
1947 Question.
Stern Bearing Wear-down Measurement:
1946 Question.
Blow past in AE how you know
1946 Question.
Cast iron bonnet cracked repair procedure difference between welding
cast iron and other material
1945 Question.
What is stiffness in relation to conrod
1944 Question. with VIT: Exhaust temp.
Should increase or decrease?
1942 Question. E/R flooding due to shell rupture course of your actions
1941
Question. What precautions n checks to be carried in
case of grounding in E/R
1940 Question. What are
certificates and documents under Marpol Annex 6?
1939 Question. if ows broke down during long voyage actions
to be taken/If ows fails what action
1938 Question. Crank angle sensors
1937 Question. Trigger system
(Shaft encoder)
1936 Question. Pulse Lubricating
System Working Principle
1935 Question. Advantages of Pulse Lubricating System
1934 Question. Man B&W Alpha
Lubrication system Working Principle
1933 Question. Advantages of Alpha Lubricator System
1932 Question. Function of ICU on rt flex
1931 Question. What
are various defects in welding and how do you prevent them ?
1930 Question. plate
type heat exchanger leak test
1929 Question. Sea
chest inspection
1928 Question. what is bedding of bottom end bearing? At what position it is normally done? What should be the course of action if 40% bedding for new bearing?
1927 Question. ME preparation for Layup / what precaution will u take to Preserve it.
1926 Question. vit & super vit
1925 Question. advantage of jack down bolts over holding down bolts
1924 Question. Liner cracked how to repair
1923 Question. Methods to identify leaky tubes are during service
1922 Question. How is main air cooler leakage test done?
1921 Question. Sea water cooler plates material
1920 Question. Procedure for hot work when vessel sailing
1919 Question. While flooding in d/d what all checks?
1918 Question. Rudder how it is supported ? What takes the load of rudder? Rudder drop measurement ? Rudder clearances and their values ?
1917 Question. How to check stern tube seal after DD
1916 Question. TEV malfunction. Do not have spare. Your action?
1915 Question. Why balance weights are not fitted on two stroke engine crank webs.
1914 Question. How does TEV control degree of superheat?? Why vapour is superheated ???
1913 Question. Vegetable room at 4 Degrees and Meat room at -18 ??? Same compressor???
1912 Question. Actions if galley hot plates not working?
1911 Question. How to check for oil in evaporator.. And removal procedure
1910 Question. How main engine exhaust valve locked in open and close position?
1909 Question. In dry Dock rudder taking more time to turn the rudder what is reason..any one.
1908 Question. How to clean filter of main sea chest??
1907 Question. What is embedded arc design in lower bearing shell of crosshead?
1906 Question. why nitrogen used in ME hydraulic accumulator?
1905 Question. What you check in exhaust valve during
running?
1904 Question. Safematic and fail safe, fail set?
1903 Question. Why there is vibration in purifier during starting.
1902 Question. Junior engineer boxed back the purifier after cleaning then its found vibrating probable causes.
1901 Question. How to order sea water pipe
1900 Question. Main engine cylinder head stud is loose how will you tighten
1899 Question. How to prepare ship for dry dock
1898 Question. Accumulation pressure test
of boiler when done
1897 Question. How to run compressor with bursting disc damage.
1896 Question. Refer room temperature not coming down room is not getting cold
1895 Question. Oil in evaporator how to remove
1894 Question. shaft worn out at bearing seat how to built up
1893 Question. condition monitoring how you do
1892 Question. Aft bilge well full suction gauge showing 0 give reason why
1891 Question. Lube oil cooler leakage
pressure test.
1890 Question. How will you tighten the plug if it is loose/who keeps the tool
1889 Question. How to use a stud extractor and how will u use it to extract a broken stud.
1888 Question. Spare wear ring
not available onboard, pump have to run, what will be action of course?
1887 Question. Things you will
check in lifting equipment's such as tackles, slings,etc...when taking over
from signing off 2nd engr...time is very limited...
1886 Question. How
to weld plates of different thickness....
1885 Question. How to weld two
plates of different thickness
1884 Question. if partition
plate of a heat exchanger get holed, possible repair work on board (Hot &
Cold).
1883 Question. Condenser how
to take out one of the tube, and put new one.
1882 Question. Explain the MAN
B&W reversing principle.
1881 Question. Why the exhaust valve timing (exhaust cam) of 2-stroke engines doesn’t require adjustment while reversing while fuel cam and starting cam do?
1880 Question. How to fix an insert on ship side hull dent,
1879 Question. How will you select plate thickness, grades of steel?
1878 Question. Cylinder head, jack leak
1877 Question. While boxing of piston what precaution/ Who gives the test certificate
1876 Question. Water in fuel action
1875 Question. How cylinder power and performance can be assessed for a medium speed engine.
1874 Question. Nip& Tangs:
1873 Question. why lubricity is low in low sulphur fuels?
1872 Question. What all problems u face while using low sulphur fuel oil
1871 Question. how to test the indicator cock of a 4s?
1870 Question. Diff B/W thick shell and thin shell bearing
1869 Question. the deepwell pump vibrating on starting on
gas tankers, what actions to take...??
1868 Question. Air distributor damaged...?? How will you
replace....
1867 Question. nox production more in 2 stroke or 4
stroke..?????
1866 Question. Reason for peak pressure low n exhaust temp
high for one unit of generator
1865 Question. If the pintle clearances were allowed to
become too large effect
1864 Question. pintle clearance if it is more what does it indicate
1863 Question. If there is sea chest damage during sailing then what action to be taken
1862 Question. How to reduce EEOI index as 2nd engineer.
1861 Question. How to clean ows when at sea? Without violation
1860 Question. What is a double stage evaporator boiler
1859 Question. Working of radiography ndt
1858 Question. How you’ll check porosity
1857 Question. If tappet are incorrect? What happens?
1856 Question. How is the bed plate connected to tank top
1855 Question. Why tie rod tensioning to be checked after scavenge fire?
1854 Question. How the main engine exhaust valve is locked in open and closed position? What are the conditions?
1853 Question. How to check rudder pintle when ship is in water?
1852 Question. Reasons for Ae one unit exht gas temp low
1851 Question. Fuel injector of particular unit is not atomizing properly. How to find out when engine is running? Reasons for that?
1850 Question. Stuffing box, diagrams and how many rings
1849 Question. What is rudder aspects ratio
1848 Question. Reason for Piston Ring Failure
1847 Question. How to repair if centrifugal pump casing is 1. Holed 2. Cracked?
1846 Question. Explain Static and dynamic balancing of turbocharger.
1845 Question. Stuffing box when spares are not available, how effectiveness is restored
1844 Question. What is malleability and cyaniding.
1843 Question. Location of cylinder lube oil quills? how many? Why in that location? At what degree the quills starts injecting oil into cylinder
1842 Question. How to plug the leaking pipe after obd valve
1841 Question. Why use the term "Super"? Was there an "ordinary" VIT earlier, which has been changed to Super VIT?
1840 Question. How to do bedding of spare propeller once the old propeller is removed in dry dock. How to find out exactly how much surface bedding is there?
1839 Question. How Firing order decided
1838 Question. Methods for alignment of pump coupling
1837 Question. How you will know that bedding in of piston ring has taken place?
1836 Question. Jacket cooling water temp fluctuating reason
1835 Question. How will you know air cooler is choked?
1834 Question. What is the use of the grid in the exhaust trunking?
1833 Question. Why R11 R12 not used now..what are the alternate refrigerants
1832 Question. DB Tank pressure testing
1831 Question. Brazing and soldering differentiate what temperature both r done
1830 Question. How will u come to know tht heat exchanger is 2pass or 3 pass just by looking from outside.
1829 Question. your ship has experienced 10 days of heavy weather and reached anchorage one important thing you will check.
1828 Question. Anchored after a heavy weather ? What are the checks ?
1827 Question. What is function of intercooler and after cooler?
1826 Question. What action you are going to take in the event of a black out/M/E failure?
1825 Question. why turndown ratio of pressure jet burner is less than rotary cup burner??
1824 Question. what are the causes of hunting of COPTs
1823 Question. How to calculate MCR of engine onboard, what parameters to be considered?
1822 Question. How to do bedding of spare propeller once the old propeller is removed in dry dock. How to find out exactly how much surface bedding is there?
1821 Question. Explain how mean piston speed is related to r.p.m. and ideal combustion?
1820 Question. Annealing how it's different from normalizing.
1819 Question. aftercooler in air compressor purpose
1818 Question. Difference b/w 2 storke and 4 stroke fuel pump
1817 Question. Aux engine lo cooler leaking how will u identify
1816 Question. If no draw or power card how to calculate power?
1815 Question. What is accumulation pressure and why it is there
1814 Question. lf air starting valve leaks during manoeuvring, how will you get to know out and what action you will take.
1813 Question. Air start valve jams open whilst maneuvering?
1812 Question. what all gases are present in MARPOL Annex 6 ?
1810 Question.Purifier Desludging Process
1809 Question. When will you decide to change cylinder liner, what all things will you check in cylinder liner before replacing, what certificate is there for cylinder liner
1808 Question. Anchor cable, how anchor cables are joined together,
1807 Question. how rocker arm lubrication done
1806 Question. Fitted bolts, where fitted bolts used in rudder??
1805 Question. Propeller curve
1804 Question. Refrigerant Hazards
1803 Question. Difference between available NPSH and required NPSH. how calculated
1802 Question. Boiler Blowback reason
1801 Question. AE LO low pr
1800 Question. Where smoke tube boiler used and why
1799 Question. What is down comer/What's its function/Where and y it's found
1798 Question. For welding a metal of different size which metal size to be considered for setting current?
1797 Question. Why plates used in compressor valve
1796 Question. MCC what makes it compact
1795 Question. Refrigeration properties what is critical temp
1794 Question. How will you ensure that stuffing box working efficiently during sailing?
1793 Question. What are the nox reduction techniques?
1792 Question. Why VIT cuts at 40%MCR?
1791 Question. What type of bearing used in main engine turbocharger? How vibration reduced? How turbocharger bearings are lubricated?
1790 Question. function of nozzle ring.
1789 Question. Crack in valve bonnet?
1788 Question. I section in AE con rod
1787 Question. Why dearetor provided in j.c.w system
1786 Question. What is Babbitt?
1785 Question. White metal composition
1784 Question. What All Checks in Tail shaft Survey?
1783 Question. MPI and Ultrasonic NDT
1782 Question. Bunker Line Pressure Testing Draw and explain the procedure
1781 Question. Why no mcr and ncr for AE?
1780 Question. Why engine is not operated at MCR
1779 Question. Reasons for firing water tube boiler 7 minutes and for smoke tube boiler 15minutes?
1778 Question. ME Rpm not increasing above 60rpm, reasons
1777 Question. Crack in pump casing what to do?
1776 Question. Where will you insert poker gauge? Exact location and procedure.
1775 Question. One unit starting air line feeling very hot in pilotage. What to do?
1774 Question. How to find out leak in shell and tube heat exchanger? On what basis tubes to be renewed? How to renew tubes and its procedure?
1773 Question. Sootblow procedure for boiler
1772 Question. What is LMTD?
1771 Question. Why inlet valve is bigger
than exhaust valve in A/E.
1770 Question. Why Super-Long stroke used
1769 Question. Cold corrosion, how you eliminate./How cold corrosion is avoided at low loads?
1767 Question. How to check lift of boiler safety valve ? How do we know it's D/4 ?
1766 Question. Turbine washing. rpm increased
1765 Question. Smell of exhaust gas while running from rocker arm area
1764 Question. How will you repair crack in rudder plate, where you will find material of rudder plate
1763 Question. Oros piston and why lap joint in cpr
1762 Question. Purifier why inclined disc
1761 Question. How will you improve power to weight ratio.
1760 Question. What is Bedding of a bearing how will you do it.
1759 Question. As 2nd engineer survey of air compressor checks and defects/ How to do main air compressor survey
1758 Question. Why piston rings are harder than liner??
1757 Question. How to purge air in the steering system
1756 Question. Fish room temperature is not maintaining. Reasons and what all to check?
1755 Question. How to check Main bearing, Crosshead bearing, bottom end bearing clearances and their values
1754 Question. Checks on AE after overhaul.
1753 Question. Boiler water tests and their values
1752 Question. why liquid coagulate are added daily to boiler
1751 Question. Aspect ratio of turbo charger.
1750 Question. What is piston ring failure criteria
1749 Question. Priming unit test
1748 Question. How will you know Wear ring in Centrifugal pump has worn out without opening the pump
1747 Question. Crank pin Dia has reduced due to wear what will be your action and why
1746 Question. Edge preparation for 12mm plates welding
1745 Question. Why reefer compressors are belt driven? What type of belt used? Why v belt
1744 Question. Why jcw test req we are using fw In system
1743 Question. Why lead measurement is taken in 2 stroke engine? What does it indicate?
1742 Question. Co2, filling ratio?
1741 Question. Immediate checks and action taken when the vessel is floated in drydock?
1740 Question. Auxiliary engine bottom end bearing removal procedure
1739 Question. Purpose of back pressure valve in Veg room.
1738 Question. One valve is damaged, how will you raise requisition for that valve?
1737 Question. You found, one cylinder head stud loose, what will you do
1736 Question. What you check in exhaust valve during running
1735 Question. How to detect the leak and how to repair the leak in shell and tube type cooler.
1734 Question. Nomogram showing more than 2 gravity disc how to choose
1733 Question. How will you decide fresh water generator efficiency? How to adjust ?
1732 Question. steam line in sea chest purpose?
1731 Question. how to make internal thread on a 4mm square plate at centre.
1730 Question. what is the method to bend pipe in engine room.
1729 Question. why emergency bilge suction valve in main sea water pump?
1728 Question.
Purpose of balance piston In
air start valve
1727 Question. How can we start engine if the main start valve is not functioning
1726 Question. Vessel passing in a narrow passage m/e starting air line red hot for one unit what action u will take
1725 Question. C/E wants to weld crack in fuel oil settling tank. How will you do as 2/E? what precautions to be taken? How to check weld condition? What will you do if weld condition is not good?
1724 Question. How will you tilt piston for pressure testing.? Piston pressure testing step by step procedure.
1723 Question. Why does piston rings collapse if pmax - pcomp increases more than 35 bar
1722 Question. What preparation will you do if you want to weld any pipe in bottom platform?
1721 Question. Why can't we put main engine directly on full ahead? Why increase gradually?
The answer is thermal stress. You basically allow the engine to get heated up slowly from stop condition to full ahead conditions.
Sudden variations in the temperature leads to thermal stresses and cracks might develop on the entablature ,piston liner etc
1720 Question. How to carry out risk assessment for main bearing survey?
1719 Question. Why brakes r provided in purifier & why not in compressor??
1718 Question. How to do Welding of two plates with different thickness, angle for edge preparation, distance, how to choose welding rod? What NDT method to be done after welding?
1717 Question. After scavenge fire you did scavenge inspection. What all reports you make as 2/E?
1716 Question. CSM survey, where will you find this file onboard? What it is called?
1715 Question. How will you make whether fuel injector is leaking in power card and draw card? What all you can make out from both the diagrams like which equipment is faulty and what is the fault?
1714 Question What is floating of safety valve?
1713 Question Main engine decarb?
1712 Question. What is the procedure for cut off fuel pump for one unit?
1711 Question. What are all defects that occurs on rudder? How to rectify?
1710 Question. Why mechanical seal is used instead of gland packing?
1709 Question. What are the reasons for abnormal increase in boiler water chloride level?
1708 Question.
Safeties on emergency manoeuvring?
1707 Question. How will you order a new SDNR valve, How will you fit a SDNR valve in a vertical line?
1706 Question. Can ME rpm be increased very quickly?
1705 Question. What is expansion arrangement in Shell and tube exchanger?
1704 Question. Oil in boiler gauge glass...action
1703 Question. Con rod straightness
1702 Question. Lube oil test of aux engine
1701 Question.
Main engine JW
test
1700 Question. Crank shaft crack check.. Instruments name
1699 Question. what is pairing disc and where its fitted?
1698 Question. Boiler tube leak how will you know... How to identify.. Tube plug procedure.... in detail
1697 Question. NDT, dye penetrant test procedure
1696 Question. Pump casing crack. How will rectify. Welding process. type of electrode use and any other method
1695 Question. Holding down bolt testing... Procedure of hydraulic jack tighten...
1694 Question. Chain tightening procedure
1693 Question. Significance of piston ring..
1692 Question. ME how to connect with bed plates... Diagram.. Explain..
1691 Question. Lube oil, significance with TBN
1690 Question. Condition of class.
1689 Question. Difference between rotodaynaminic and centrifugal pump
1688 Question. cavitation.. how it comes where it comes .. prevention about it.
1687 Question. ME Specs - 6s70mec8 details
1686 Question. M.E engine reversing sequence start to finish.
1685 Question. Cyl lubrication , how oil reaches pp to quill.
1684 Question. Boiler combustion control.
1683 Question. Main engine fuel oil cons increased why.
1682 Question. admiralty coeff and sfoc.
1681 Question. You
were using 3.5%
1680 Question. How to check wear of V-belt, how much percentage wear before you discard it.
1679 Question. How will you check alignment of shafts? There will no movement in dial gauge or some tolerance is allowed? How much tolerance allowed?
1678 Question. Timing gears on screw pump, why not on gear pumps?
1677 Question. Exhaust smell on upper deck where tank vents are present, reasons?
1676 Question. ME engine fuel pump system full working principle
1675 Question. Axial piston pump working
1674 Question. Exhaust valve cam profile in AE
1673 Question. Total suction head in centrifugal pump and principle of pump
1672 Question. Main engine starting on air, not on fuel.
1671 Question. Most stressed part in an engine and why ?
1670 Question. How to check pump performance on board.
1669 Question. Difference between mineral oil and synthetic oil. Components of synthetic oil, why used, why not used in some places, advantages, disadvantages .
1668 Question. How speed control in me engine
1667 Question. Difference in exhaust valve
1666 Question. Alpha lubrication system and value of cyl oil consumption
1665 Question. Governor in me engine is there or not? / How works on ae and mc engine
1664 Question. Effect of latest sulphur content rule on me engine
1663 Question. mpc and function of mpc
1662 Question. Why ME is known as electronic controlled engine/ Difference between ME and MC engines/ Advantage of ME over MC
1661 Question. Explain fiva system with block diagram
1660 Question. How to measure tie rod tension during running in ME engines
1659 Question. Purpose of pinching screws
1657 Question. Checks after tie rod tightening
1657 Question. Types of Vibrations and prevention methods.
1656 Question. Location and types of top bracing with sketch.
1655 Question. What is detuners and purpose of detuners.
1655 Question. How problem of critical speed is handled onboard.
1655 Question. Various components affected due to vibrations.
1652 Question. Interpretation of Crankweb deflection report. Sketch and explain.
1651 Question. Purpose of sea trial
1650 Question. How to prepare for dry-dock as a 2 E
1649 Question. Purpose of Docking plan
1647 Question. Propeller fitting and renewal procedure/ How to ensure the propeller is properly fitted. /Check after fitting propeller.
1647 Question. Documents required for propeller fitting
1646 Question. what is frame spacing requirements as per IACS
1645 Question. How to renew shell plating if found worn during gauging. What is the IACS regulation for the same.
1644 Question. ME engine full explain
1644 Question. Stern tube system full explain
1642Question. Boiler priming and boiler turndown ratio,
1641Question. Tail shaft removal and full inspection of keyless propeller, in dry-dock,
1640.Question. High cat fines in fuel what action as second engineer
1639Question. Dry-dock details work,
1638Question. Spark coming out of funnel as 2E actions,
1637Question. Liner Calibration
1637Question. Ballast pump not taking suction reason
1636Question. Boiler water treatment
1635Question. what emergency locking device can be used in
order to speedily bring steering gear to
rest. state one reason the best angular position to lock steering gear
1634Question. why co2 is not use in refeer.
1633Question.
Main
bearing hydraulic nut pressure.
1632Question. O2 alarm setting and what happens when high o2
content / Low pressure and high pressure alarm of ig main line. /Why low pressure alarm ./What happen if low pressure
alarm come.
1631Question. Maintenance done on ig system
1630Question. Thrust blocks arrangement
1629 Question Secondary refrigerants
1628 Question Puncture v/v diagram / Use of Puncture valve in fuel pump
1626 Question Antipolishing ring
1625Question.
1624Question. Critical rpm & Resonance
1623Question. What
could lead to cranshaft ovality...what are the symptoms, causes and solutions
1622Question. L.O cooler leakage
1621Question. Air
coolers How leaks are detected?
1620Question. how to detect leakage in sw coolers?
1619Question. Hydraulic jack overhauling
1618Question. Exhaust v/v overhauling/ Describe the procedure for Exhaust Valve Overhaul of a 2stroke crosshead diesel engine.
1617Question. Exhaust Valve check's
1616Question. How does the Miller cycle engine work?
1615Question. Why con rod shape is I beam type?
1614Question.
how fatigue is induce in Main engine and how to avoid it
1613Question. Main Engine. How derated? Why derated?
1612Question. Why incinerator temp should be 600 degree in 5 minutes from start up for batch loading type
Why a high temperature in the actual combustion chamber/zone is an absolute requirement
1611Question. Goose neck in boiler
1610Question. what will you do if crankshaft slippage is there. How much is allowed
1609Question. ENGINE START (from airbottles to engine)
1608Question. What is SUPERCHARGING, Why Needed, What is achieved out of it
1607Question. What are the main advantages of the impulse and the constant pressure exhaust turbo-charging systems?
1606Question. How many dry docks required for a ship
1605Question. Explain rotary exhaust valve arrg
1604Question. What came before RTA
1603Question. rta t-b? what does t-b stands for
1602Question. Paint Scheme on ships. how is thickness decided. Thickness. Structure. How to measure.
1601Question. ypes of refactory material, material of each type
1600Question.
how is it fitted to refactory
1599Question.
what is torsional stress in diesel engines. and why is it caused
1598Question.
what about control of fuel injection in me and rtflex engine
1597Question.
4 stroke engine con rod. Why is ovality caused
1596Question.
limit for 4s con rod ovality
1595Question.
what is bearing wear monitoring system in MAN?
1594Question.
How do you charge the lube oil sump of reefer compressor?
1593Question.
How will you avoid crankcase explosion?
1592Question.
How to check copt over speed trip?
1591Question.
Adjustment and accumulation tests
1590Question.
why boilers not included in annex VI?
1589Question.
What are the advantages of placing fuel pump near to fuel injector
1588Question.
Why are Dampers fitted?
1587Question.
where to fit the detuners and dampers?
1586Question.
Material for stuffing box Rings, Lamellas
1585Question.
piston running hot what are the indications
1584Question.
causes of hot piston
1583Question.
what action to be taken for hot piston while running
1582Question.
how furnace is connected at the bottom part of water space?
1581Question.
what is the purpose of steam coils?
1580Question.
How do you prepare a boiler for survey?
1579Question.
boiler furnace inspection.
1578Question.
Critical spares list for Main Engine
1577Question.
1576Question.
What was used in
1575Question.
what is the cooling water difference on RND-M & RTA?
1574Question.
Precaution you will take when ship going to cold region .
1573Question.
If rfeer room temperature is not maintaining what u will check
1572Question.
If u want to carry maintenance on sea suction who you will proceed .
1571Question.
EXHAUST CAM FAILURES reason, Prevention measures
1570Question.
What is the function of inhibitors and catalysts
1569Question.
How do you remove thrust bearing of a 4 stroke engine.
1568Question.
It is said that large stroke / bore ratio engine has a better thermal efficiency i.e. a lower specific fuel consumption. Why?
1567Question.
Pump shaft broken? Suggest repairs.
1566Question.
What is VRF?
1565Question.
What is hunting tooth?
1564Question.
Under Piston space inspection check?
1563Question.
starting procedure for COPT?
1562Question.
Checks while 0/H centrifugal pump.
1561Question.
Lift of a boiler safety valve.
1560Question.
difference between smoke and water tube boilers.
1559Question.
reasons for scale formation in boilers. Reasons and effects.
1558Question.
What action will you take if you observe oil in hot well?
1557Question.
What tests are carried out for boiler water?
1556Question.
What are the maximum values of alkalinity, pH value and chloride? What types of feed pump is fitted for a boiler?
1555Question.
How do you find out that tube is leaking in a boiler?
1554Question.
Effect of vacuum in boiler.
1553Question.
How will you press up boiler from cold state? What is to be checked and done before bring?
1552Question.
How does a gate valve work?
1551Question.
What is SDNR valve?
1550Question.
how you will change gland packing of a pump
1549Question.
how will you overhaul a fuel injector
1548Question.
How alpha lubricator senses load.
1547Question.
Draw the rudder carrier bearing
1546Question.
what takes the load of the rudder stock and rudder..
1545Question.
What type of propeller was there on ship?
1544Question.
he asked me how does the transmission takes place
1543Question.
he asked me how do you ensure that friction is there
1542Question.
he asked me how do you calculate the coefficient of friction
1541Question.
What is the importance of 'Lip clearance' in a boiler safety valve
1540Question.
how to measure lip clearance?
1539Question.
What is TIG welding?
1538Question.
How is it heat generated?
1537Question.
What metals welded?
1536Question.
What is Ogee Ring
1535Question.
How will you clean the space around the ogee ring?
1534Question.
Why is a man hole door elliptical in shape?
1533Question.
Crank shaft deflection. T-B what do u you get from it?
1532Question.
4S engine connecting rod why does ovality come after some time?
1531Question.
Safety device fitted on E.G.E?
1530Question.
Blowdown procedure of boiler
1529Question.
stelite coating give composition
1528Question.
MAN B&W chain auto tensioner working
1527Question.
Why we have to turn the turning gear in opposite direction slightly for taking deflection in last unit.
1526Question.
What is the expansion arrangement for boiler.
1525Question.
what is monowall.
1524Question.
why is less refractory required in esd3 boiler.
1523Question.
what boiler water tests you do.
1522Question.
what is the advantage of roof firing.
1521Question.
what is the difference between ESD 1 and 3
1520Question.
why is the distance between cotter, cap and spindle kept D/4.
1519Question.
what is the lift you get on this of improved high lift safety valve
1518Question.
Why is there a cotter on top of improved high lift safety valve
1517Question.
what are the different means of superheat control.
1516Question.
Manual RPM and FUEL limiter function.
1515Question.
Torque limiter function.
1514Question.
Working of a scavenge limiter
1513Question.
purpose of the scavenge air pressure limiter
1512Question.
How many limiters are there on M/E
1511Question.
Purpose of Limiters on Main engine
1510Question.
lambda cantroller. why we call it as lambda.
1509Question.
Why is tappet clearance given in generators
1508Question.
If your eng have 2 t/c and both are out can we still run the eng.
1507Question.
Difference between Smoke and Water tube boilers
1506Question.
what are the contaminants of lube oil and why?give the percentage you will allow for solid partilcles in lube oils as 2nd engineer.
1505Question.
diff betn MC n MC-C MAIN BEARINGS
1504Question.
What precaution u take when u take thrust block clearance n what is
the limit?
1503Question.
disadvantage of Fuel pumps without shock absorbers
1502Question.
Adv/disadv of jack bolts
1501Question.
thrust block maintenance
1500Question.
In RT Flex , how is the fuel pumped to 1000 bar during the engine start up as the fuel pumps are cam mounted. So they can only develop after some running. Does it have any electrical pumps like ME engines?
1499Question.
What is the latest development in Tie rods.
1498Question.
diff between mc and mcc tie rods. Why tie rods break.
How much does engine compress with tierods.
1497Question.
What are the things in the F.O sample analysis report that defines ignition quality
1496Question.
what kind of vibration top bracing particularly deals with
1495Question.
what is plunger lift ? from which position to which position plunger moves?
1494Question.
two materials used onboard for low temperature purpose.their composition,and place of use?
1493Question.
watermist catcher -how to check from outside properly working.
1492Question.
bottom end bearing bolt checks and time after which it is discarded
1491Question.
How is 4stroke cylinder lubricated?
1490Question.
differences bet materials used for the diesel engine's liner and piston rings
1489Question.
why is lo pressure trip on refrigeration compressors based on differetial pressure?
1488Question.
What r 3 definition related to tlv?
1487Question.
Common faults might be found during piston inspection and means to mend them?
1486Question.
Causes of Crosshead Bearing failure:
1485Question.
what is bearing wear monitoring system in MAN
1484Question.
if there are four units in compressor then how many units can be unloaded?
1483Question.
what does 18% m/m of ccr in fuel oil means?
1482Question.
WHAT IS
1481Question.
Is there any mechanical stop for rudder movement
1480Question.
why flyweel is in the aft of the engine
1479Question.
how to take ship to safety if liner is cracked ?
1478Question.
what is the substitute for walnut shell?
1477Question.
Causes for increase in SFOC?
1476Question.
ways to improve SFOC
1475Question.
Define FUEL EFFICIENCY, MAIN FACTORS AFFECTING ENGINE FUEL EFFICIENCY
1474Question.
How is Engine fuel efficiency measured
1473Question.
Why goose neck used in boiler
1472Question.
Purifier vibrate.
1471Question.
How to Handle Different Oils.
1470Question.
Explain ALCAP system.
1469Question.
safety fittings in a boiler fuel oil system.
1468Question.
Two emergency valves are fitted in a boiler fuel oil system, what are their locations and functions.
1467Question.
routine maintenance to be carried out on Deck crane
1466Question.
routine maintenance to be carried out on Windlass
1465Question.
What check are carried out on Engine Room crane and wire?
1464Question.
overhead crane safeties?
1463Question.
How to test electro magnetic brake of ship engine room cranes.
1462Question.
Pedestal Cranes Safety Features
1461Question.
Shipboard Gantry Cranes Safety Features
1460Question.
Testing Maintenance & Examination of Lifting Plant
1459Question.
windlass safeties?
1458Question.
What are slipping clutch.
1457Question.
speed of the windlass.
1456Question.
anchor windlass maintenance?
1455Question.
How would you test the brake on the windlass?
1454Question.
why Water distillers are fitted high in the engine room.
1453Question.
How does pressure relief valve differs from a pressure reducing valve. How does pressure reducing valve work
1452Question.
Different uses of threads on board.
1451Question.
Overhaul of Globe valves
1450Question.
procedure of overhauling the gate valve is as follows:
1449Question.
how the optimum desludging periods may be assessed of a self cleaning lubricating oil centrifuge.
1448Question.
How a hole in a bilge main may be located.
1447Question.
Radial Piston Type (Heleshaw Pump)
1446Question.
why the pump has an odd number of pistons.
State why the pump has multiple cylinders.
1445Question.
how direction of the fluid is reversed.
1444Question.
how flow rate is varied.
1443Question.
How NPSHA may be increased by design.
1442Question.
how the internal condition of a centrifugal pump may be assessed without the need to dismantle the pump.
1441Question.
Reciprocating pump is getting over heated, what checks would you carrry out?
1440Question.
In a bilge pump casing made of cast iron there is a suspected crack
Describe the procedure used on board to locate the crack
It has been decided to repair the crack by welding
Describe the procedure mentioning the kind of welding electrode necessary
How can the quality of repair be tested before the pump is put into operation?
1439Question.
Overhauling of centrifugal pump
1438Question.
How is axial thrust eliminated in a pump
1437Question.
overhaul for a single stage centrifugal pump, stating the clearances that would be checked
1436Question.
why chemical tankers have dedicated cargo pumps whereas bulk crude carriers have pump rooms.
1435Question.
Main Engine Lube oil pump overhauling procedure:
1434Question.
Give some details of the checks you would make on a positive-displacement lubricating-oil pump when it is dismantled and opened up for examination and survey.
1433Question.
Procedure for Overhauling of reciprocating bilge pump:
1432Question.
When sea-water circulating pumps are started it is noted that the pressure on the suction line falls after the pump is set in motion. Why does this occur?
1431Question.
FEW. What are its drawbacks?
1430Question.
How scrubbing processes reduces air pollution by diesel engine exhausts gases.
1429Question.
How humidification processes reduces air pollution by diesel engine exhaust gases.
1428Question.
How Miller cycle processes reduces air pollution by diesel engine exhaust gases.
1427Question.
How cold ironing (shore power) processes reduces air pollution by diesel engine exhausts gases.
1426Question.
Hybrid marine turbocharger.
1425Question.
advantage of super long stroke.
1424Question.
WECS in RTFEX Engine.
1423Question.
What is ELFI, ELVA, FIVA valve, EPIC, EICU, HCU, PMI, in intelligent engines?
1422Question.
MAN B&W. Crash Astern
1421Question.
RTFLEX Engine Crash astern manoeuvring
1420Question.
How is M.E engine Reversing carried out?
1419Question.
HPS, its purpose, what it consists of?
1418Question.
CCU what task does it perform?
1417Question.
ACU what task does it perform?
1416Question.
ECU, what task does it perform?
1415Question.
EICU what task does it perform?
1414Question.
Why accumulator in lubricators of b&w is filled with nitrogen.
1413Question.
Comparison between M.E- M.C. engines.
1412Question.
basic features of M.E. – G.I. ENGINES?
1411Question.
advantages of the M.E-C range of engines?
1410Question.
Difference between M.E. – M.C. engines.
1409Question.
difference between M.E engine and a R.T. FLEX.
1408Question.
How the main engine trip mechanism (L.O. low pressure, overspeed) operates
1407Question.
Leaky intercooler of main air compressor while maneuvering.
1406Question.
Reasons Bursting disc bursting during starting.
1405Question.
procedure for taking the bump or bumping clearance on one cylinder of a reciprocating air compressor.
1404Question.
reason for Adjusting bumping clearance
1403Question.
reason for Annealing bursting disc
1402Question.
refrigeration compressor safety head and state it's function
1401Question.
Desirable properties of Refrigerants.
1400Question.
function \ Operation of Evaporator Back Pressure Regulator Valve.
1399Question.
Relation of dry-bulb, wet-bulb, and dewpoint temperatures.
1398Question.
Procedure for Charging Refrigerant.
1397Question.
reason for foaming in refrigeration compressor.
1396Question.
Why are heaters provided in refrigeration compressor and crank case?
1395Question.
Why is Evaporator Back Pressure Regulator Valve provided on ref compressor?
1394Question.
For an expansion valve as fitted in a refrigeration system name operational circumstances that may cause a high pressure cut-out to operate?
1393Question.
Why does refer pipe lines not pass through engine room.
1392Question.
What is the relative importance of superheat and latent heat of the refrigerant in the absorption of heat in the refrigerated areas of direct and indirect refrigerating systems?
1391Question.
If the high pressure cut out has been tampered with and the settings altered, describe how it may be re- adjusted when no instruction manuals are available.
1390Question.
A refrigerating compressor controlled on stop/start is observed to be running excessively. On inspection the cut out is observed to be in order and the system is not short of gas and there is no air in the system. reasons for the excessive running of the machine.
1389Question.
Why a crankcase relief door is not fitted in the refrigeration compressor crankcase?
1388Question.
Explain hot gas defrosting in a/c fridge system.
1387Question.
What are the reasons for short cycling of a refrigerant compressor?
1386Question.
How will you know the presence of air in the refrigeration system? Explain the procedure for purging air
1385Question.
What is the quality of the vapor coming back to the compressor suction in the refer system? In addition, how will you ensure that the vapor has adequate degree of superheat?
1384Question.
Why is the fridge compressor belt driven?
1383Question.
What are the environmental problems with the use of CFCs?
1382Question.
capacity control in a refrigeration system.
1381Question.
Explain unloader of a refrigerating compressor, reciprocating type.
1380Question.
Advantages of an Oros combustion chamber, W-seat:
1379Question.
what is sliding valve. its testing procedure
1378Question.
advantages of Slide fuel valve
1377Question.
What is APR? function of APR. how to fit apr in cylinder liner draw diagram. main advantages
1376Question.
What u do with boil off
1375Question.
What is that GCU
1374Question.
Where is the location of gcu
1373Question.
what takes the load of spindle in safety valve.
1372Question.
main engine and generator air cooler leaking. How to find which tube is leaking.
1371Question.
Dia of nozzle and orifice for nozzle flapper
1370Question.
which type of bilge pump is used on board? how is it driven, how is circular motion converted to reciprocating motion? what is the material used for piston rings? how to remove liner?
1369Question.
what is the pressure of hydroblasting
1368Question.
What is the difference between sand and grid blasting.
1367Question.
which of the three methods gives us more better surface. why he asked
1366Question.
suppose i use more prssure for hydro blasting will i get better finsh
1365Question.
how do we know that we have achieved the standard.
1364Question.
contents of self polishing pain?
1363Question.
what is the leaching rate of self polishing paint? and which is best method for surface preparations?
1362Question.
what is the standard for it?
1361Question.
how is steel plate preserved in ship yard? and which paint is used?
1360Question.
what shuld be the thickness of primer
1359Question.
What is HR. What is the significance of HR.
1358Question.
Explain Painting scheme?
1357Question.
millscale on steel plate.
1356Question.
what are the differnt methods of surface prepartion.
1355Question.
seals in main engine fuel pump?
1354Question.
expansion arrangement in main engine exh valve.
1353Question.
Name the Bacteria that grows in the lub oil.
1352Question.
ME sump oil contaminated with water what u do when u cant change it with fresh oil
1351Question.
SIPWATP what is A, TP
1350Question.
ice class ships what is speciality
1349Question.
How much more air is supplied to boiler and in diesel engine
1348Question.
FWG salinity increased.Reasons
347Question.
what arrangement is provided for hoisting lifeboat with the dead man handle in the closed position?
1346Question.
Define degree of superheat?
1345Question.
During inspection it is identified that the bolt locking is intact, but the bolt is actually loose.
1344Question.
What r the rest fittings with steam trap? where does the condensate from stem trap goes
1343Question.
malfunctioning of steam trap
1342Question.
how anodes r fitted?
1341Question.
What is rocking test of a crane ?
Why it is required to carry out this test?
how many places reading to be taken ?
1340Question.
wt is decompression lever in engine.
1339Question.
securing of hatch arrangement and its maintenance.
1338Question.
leak testing of hatch covers
1337Question.
winch brake lining replacement when and why to replace
1336Question.
thread type on CO2 gas bottle, Refrigeration Bottle and DBplug.
1335Question.
Build-up of combustion residues. Where, what precaution.
1334Question.
Piston running hot, increasing knocking at ends of stroke, speed decreasing, cylinder C.W. temperature rising. Reason. Action
1333Question.
Bilge p/p not taking suction from aft bilge well.
1332Question.
Top bracing functions?
1331Question.
explain point no.2 in detail, how it happens?
1330Question.
What do you mean by static and dynamic balancing?
1339Question.
When starting a generator how do you increase the speed from control room?
1328Question.
What is droop in a governor? Why it is required?
1327Question.
what are temporary and permanent hardness salts
1326Question.
M/E T/C running at low rpm, reasons?
1325Question.
What are alkaline and non-alkaline salts in boiler water???
1324Question.
What is vit index, fuel index & pressure index?
1323Question.
How the lift in sac volume type is fixed.
1322Question.
What is ductility and malleability give an example of each in e/r.
1321Question.
if your compressor inter cooler got ruptured and you have no time for repairing of compressor than how you will run the compressor without repair.
1320Question.
Types of vibration associated with Large slow speed main engines
1319Question.
What are the parameters of a lube oil analysis?
1318Question.
Latest development on Diesel Engines
1317Question.
diesel cyle, otto cycle, miller cycle difference and advantage
1316Question.
why rtflex uses low pressure gas injection where as ME GI has high pressure gas injection
1315Question.
Your ships M/E stops at mid sea without any alarm. what can be the
reasons?
1317Question.
ME cyl hd gasket damaged ,on board gasket is less in size . can be used or not.
1313Question.
If an AE performance drops suddenly within 2 days what is the
reason?
1312Question.
what are the methods to reduce CO2 emissions I.e carbon print
1311Question.
If your ship were going into an overhaul period, write a list of machinery inspections you would recommend.
1310Question.
What do you do at heavy sea as a 2/E ?
1309Question.
RESPONSIBILITY OF 2ND ENGINEER
1308Question.
TAKING OVER AS 2ND ENGINEER
1307Question.
Symptom, Effect of slack chain.
1306Question.
Chain slackness checking.
1305Question.
main engine using poor Heavy Oil, what are the impurities, how the impurities attack the machinery parts.
1304Question.
Causes for Drop of Engine Speed during operation in spite of the correct position.
1303Question.
How does a Stud extractor work?
1302Question.
Bridge gauge main brg clearance
1301Question.
Crank pin brg clearance
1300Question.
How do you select the correct current setting for welding?
1299Question.
What is GPR/GPO/LH electrodes?
1298Question.
How do you set up a new pipe for welding?
1297Question.
If thrust bearing lubricating oil temp. is getting higher, what action will be taken by you?
1296Question.
Propeller + rudder drop and effect.
1295Question.
Flash point, power point, Auto ignition.
1294Question.
MCR, How to calculate?
1293Question.
Difference between 2S, 4S connecting rods.
1292Question.
Chain elongation.
1291Question.
Engine not reversing, what to check?
1290Question.
Cetane numbers.
1289Question.
Lubrication of cylinder liner.
1288Question.
Single throw. Double throw crank
1287Question.
Need for 2 exhaust valve on A/E.
1286Question.
OMD calibration.
1285Question.
While entering a channel, engine J. W. cooling temperature is raising, what action wi11 you take?
1284Question.
Cylinder head v/v opens inward (reason)
1283Question.
What is MCR and CSR?
1282Question.
Where is the thrust bearing in MC series or RTA engines’?
1281Question.
approximate figure for thrust clearance and suggest the possible effects of incorrect clearance.
1280Question.
how thrust clearance is measured.
1279Question.
where are thrust bearing fitted in auxiliary engine and why.
1278Question.
Purifier overflowing: Indication, cause, Remedy
1277Question.
What is the tightening pressure of cylinder head bolts for sulzer engine?
1276Question.
Why the expansion ratio is not more than 1000?
1275Question.
Fuel injectors needle valves are found to be seizing frequently explain the probable causes and remedial action to be taken. The effect on engine.
1274Question.
consequence of bunkering a fuel with a pour point of 35°C.
1273Question.
What are persistent oils? What are its effects on marine environment?
1272Question.
Broken stud of fuel pump of A/E removal:
1271Question.
What the term fuel index and how is it adjusted?
1270Question.
why Load is always placed on lower half of main bearing in two-stroke cycle engine.
1269Question.
procedure for checking the top end bearing and crosshead guide clearances
1268Question.
procedure for removal and refitting Big end bearing.
1267Question.
the Indication that the main bearing has wiped
1266Question.
Procedure for
1265Question.
Procedure for Cross head bearing survey
1264Question.
Possible defects, which could be found during the inspection of BEARINGS.
1263Question.
Possible defects, which could be found during the inspection of CROSSHEAD PIN.
1262Question.
Why the cross head has big diameter than its length than any other journal?
1261Question.
Why improved high lift for safety valve.
1260Question.
What is the difference between static and dynamic oily water separator?
1259Question.
Procedure for Maintenance of the oil mist detector
1258Question.
One unit of main engine blanking up procedure.
1257Question.
Stern Bearing Wear Measurement
1256Question.
Stern tube Oil Lubricated Type, Continuous length of bearing metal, Thickness of bearing bush, Oil clearance, Maximum clearance
1255Question.
Oil Lubricated Type, Advantages, disAdvantages
1254Question.
How will you Test Stern tube for Leakage
1253Question.
Stern tube seal leakage Cause, Remedy, Rate of leakage depend on what
1252Question.
Reasons for Crosshead bearing failure,
1251Question.
Different approaches adopted to overcome crosshead bearing problems
1250Question.
How to pressure test piston after overhaul?
1249Question.
TC over run, Causes, Effects, Prevention
1248Question.
When G/E T/C overhaul, what measurements do you take?
1247Question.
How to check deflection of divergent nozzle ?
1246Question.
procedure for Inspection and testing of crankcase relief valves in Service.
1245Question.
Centrifugal pump overhaul procedure and check point.
1244Question.
Minimum Requirements for Spare Gear:
1243Question.
What are liner ribs and why they are in segments and use?
1242Question.
How is it possible for bending moments to be set up in the upper part of a cylinder?
1241Question.
Any reason for Cylinder liners to be thin at the bottom than at the top.
1240Question.
What is the maximum amount of wear allowed on a cylinder liner? Is the liner renewed when this maximum wear is reached, or earlier?
1239Question.
Type of repairs that may be used for a fractured copper pipe for a cylinder Lubricating quill.
1238Question.
Cylinder lubrication, TBN how much it should be
1237Question.
Properties required and name the material used for the manufacture of.
1236Question.
Draw bellow used in between exh v/v and exh
manifold?
How will you fit the bellow after it has expanded?
1235Question.
Why a defect resulting in a high exhaust temperature on one cylinder can cause engine damage if the engine is not slowed down when the fault initially occurs.
1234Question.
Causes for explosions in silencers and exhaust manifolds
1233Question.
What is Virtual tappet clearance?
1232Question.
Consequences of operating main engines with Burnt Exhaust valve.
1231Question.
Cause for Exhaust valves to knock, not open, not shut?
1230Question.
What are the indications, causes, procedures to minimize valve failure of cylinder head exhaust valve burn out.
1229Question.
Causes & remedy of Continuous spark from the funnel.
1228Question.
Exhaust temperature decreases, Single cylinders. Possible Cause, Remedy
1227Question.
Exhaust temperature decreases, all cylinders. Possible Cause, Remedy
1226Question.
Exhaust temperature raises, Single cylinders. Possible Cause, Remedy
1225Question.
Exhaust temperature raises, all cylinders. Possible Cause, Remedy
1224Question.
What is CCAI, CCR .
1223Question.
How MAN B&W fuel pump suction valve works?
1222Question.
Why isn’t a reducer fitted before the vit pilot valve, when the max pressure needed is 3.5 bars, which is given during engine starting and astern movements.
1221Question.
Procedure for Fuel Pump Cut Out Checks and Zero Setting Checks.
1220Question.
What is Blow-past? Causes of blow-past: Remedy of blow-past:
1219Question.
Fuel pump timing MAN B&W MC slow speed engine series.
1218Question.
Wartsila NSD RTA Fuel Pump Timing
1217Question.
Fuel Pump Faults.
1216Question.
Twin injection system & Twin fuel pump barrels.
1215Question.
some Fuel Injector Faults.
1217Question.
Power calculation of 4stroke engines.
1213Question.
Use of Puncture valve in fuel pump.
1212Question.
Define low calorific, high calorific value of the fuel.
1211Question.
What is the CCAI of a fuel oil?
1210Question.
What is ignition delay?
1209Question.
Sulzer RTA Fuel Injection Pump describe
1208Question.
Sulzer RT Flex Fuel Injection System explain
1207Question.
describe the Low Load Operation.
1206Question.
MAN B&W ME Engine Fuel System explain
1205Question.
procedure for measuring the Indicated Power or IP
1204Question.
Fuel Pump Timing of RTA ENGINE.
1203Question.
What is Fuel Pump Lead, Preparation, Procedure
1202Question.
What is Variable Injection Timing Gear, Reasons for VIT, Advantages & Disadvantages of VIT.
1201Question.
Describe the VIT system for Sulzer Engines.
1200Question.
Advantages of VIT
1199Question.
Describe the VIT Method. Advancing & Retarding
1198Question.
Describe Fuel Quality Setting (FQS) Method
1197Question.
What is Super VIT.
1196Question.
Describe the Super VIT Method.
1195Question.
What is A Conventional VIT?
1194Question.
Procedure for adjusting the mechanical, electronic VIT (Variable Injection Timing) system.
1193Question.
What are safeties provided with VIT system in Fuel pump to avoid run away of Engine?
1192Question.
Why multiple fuel injectors are fitted to large two-stroke cross head engines
1191Question.
In man b&w engine how do you ensure that air first goes then the fuel goes during starting of a engine?
1190Question.
What is the degree of atomization (in microns) of fuel droplet sizes, achieved in MAN B&W Diesel two-stroke engines.
1189Question.
Procedure for Removing
1188Question.
procedure to change a bottom end bearing of a large slow speed engine.
1187Question.
How is the main bearing
bottom half shell extracted?
1186Question.
How is crankshaft main
bearing clearance measured?
1185Question.
why in large slow speed
diesel engines the force applied to the crosshead is against the crosshead
during the power and compression stroke.
1184Question.
What is the difference from design aspect of the crosshead lubrication arrangements in the two engines that make it necessary to have a separate high pressure pump in one make of engine, while the other one does not need such pump?
1183Question.
In Sulzer engines, there is a separate crosshead lubricating oil pump delivering oil at 12 to 16 bar for crosshead lubrication.
1182Question.
procedure for measuring the clearance of the crosshead bearing.
1181Question.
How is Guide Clearance Checked and adjusted?
1180Question.
When the crosshead pin is
damaged by scoring, what immediate action that should be taken
1179Question.
How will you discontinue the
operation of the crosshead for MAN B&W & Sulzer
1178Question.
Procedure for the taking of main engine crankshaft deflections.
1177Question.
what Crankshaft deflections are, why they are taken, and what
measurement units are used. What will happen if a bearing is high or low?
1176Question.
Difference in journal load
between two- and four-cycle single-acting engines. how to
measure wear.
1175Question.
What is meant by crankshaft shifting?
1174Question.
how ovality of a crankpin for a medium speed engine would be repaired, how the bearing should be replaced;
1173Question.
Ovaility of auxiliary engine
crank pin. Causes & rectified
1172Question.
How would you establish whether slip has occurred in a built-up crankshaft?
1171Question.
Effect on engine operation if crankshafts throw slip of 4°. action you will take to allow the ship to proceed safely to the repair port?
1170Question.
What are the angle for a V
engine and what is their maximum limit.
1169Question.
What is the material of the crankshaft?
1168Question.
What is 1st order moment & second order moment?
1167Question.
What are the methods to cope
up with the second order moments?
1166Question.
What is an electric compensator?
1165Question.
How are the axial vibrations
caused in the crankshaft? How are they remedied?
1164Question.
How is torsional vibrations
generated?
1163Question.
1st order/ 2nd order Moment Compensators
location, use.
1162Question.
Why is the section of a medium speed engine connecting rod is shaped
like an “I” shaped section girder
1161Question.
Why a non-return valve fitted
to a medium speed engine’s connecting rod, where is it fitted
1160Question.
material of the 4S engine conrod? METHODS OF TIGHTENING
1159Question.
Bottom end bolt slackened
your action.
1158Question.
check you would carry out on
the bolts
1157Question.
stresses on Connecting rod bottom end bolts.
1156Question.
Difference between the Connecting Rods of 2-stroke Large Slow Speed Engines and 4-stroke Medium Speed.
1155Question.
What is the material of connecting rod bolt? What is the importance of elongation? What is the nature of stresses in this component and why should these bolts be replaced after some time in service?
1154Question.
What’s a Planimeter and how do you put it use
1153Question.
use of 'planimeter' or by the use of the mid-ordinate rule.
1152Question.
What information does Power or in-phase cards, Draw or out-of-phase cards, Light-weak spring card, 1151Question.
What is indicated power? How to calculate power?
1150Question.
Types of Indicator diagram?
1149Question.
How is Power Diagram taken?
1148Question.
How is Out-of-phase Diagram taken? What does it show
1147Question.
How is Compression Diagram taken?
1146Question.
How is Light Spring Diagram taken? What does it show
1145Question.
How is Peak or Maximum Pressure Diagram taken?
1144Question.
Show by the use of indicator diagrams Early Combustion what are the CAUSE, Effects.
1143Question.
Show by the use of indicator diagrams Late Combustion what are the CAUSE & Effects.
1142Question.
what is After Burning, Symptoms & Effects, Causes
1141Question.
EXHAUST VALVE OPENING Early opening, Late opening, what are the CAUSE, Effects
1140Question.
Show by the use of indicator CHOKE EXHAUST PORTS OR VALVES what are the Symptoms, CAUSE, Effects, Remedies
1139Question.
Show by the use of indicator diagrams CHOKED FUEL VALVE what are the Symptoms, CAUSE, Effects, Remedies
1138Question.
Show by the use of indicator diagrams LEAKY FUEL INJECTORS what are the Symptoms, CAUSE, Effects, Remedies
1137Question.
Show by the use of indicator diagrams and explain the effect of the defect on the working of the engine.
Worn fuel injection pump.
1136Question.
LEAKY PISTON RINGS OR WORN LINER Symptoms, CAUSE, Effects, Remedies
1135Question.
Show by the use of indicator diagrams and explain the effect of the defect on the working of the engine.
Late fuel injection.
1134Question.
Show by the use of indicator diagrams Leakage at piston. Causes
1133Question.
Show by the use of indicator diagrams Sluggish Indicator Piston.
1132Question.
Show by the use of indicator diagrams Loss of Scavenge Air
1131Question.
What is a draw diagram and what information is obtained?
1130Question.
What could lower the compression pressure?
1129Question.
IF compression pressure is low:
1128Question.
What is mean piston speed? Significance of MPS Limitations of Mean Piston Speed and what’s the mean piston speed values for high, medium and low speed engines.
1127Question.
Significance of mean piston speed apart from power calculation
1126Question.
calculate the shaft power of main engine?
1125Question.
calculate the specific fuel oil consumption?
1124Question.
How is engine power calculated from the torsion meter?
1123Question.
How do you calculate fuel consumption in diesel engine?
1122Question.
Mean effective pressure, Length of stroke, Cylinder bore, Indicated horsepower, Brake horsepower.
1121Question.
Factors governing Crosshead
guides, Top ends, Bottom ends, Thrust bearing, bearing clearances.
1120Question.
Causes of bearing knocking.
1119Question.
advantages, Disadvantages of
thick shell bearing.
1118Question.
Is Bedding in required for
1117Question.
What is nip ?
1116Question.
Advantages of Thin
Shell Bearings
1115Question.
Different between
conventional and thin shell bearing ?
1117Question.
Cause of thin
shell bearing shifting?
1113Question.
check after
removing X head bearing ?
1112Question.
recent development in 4-stroke engine to counter ignition delay problem
1111Question.
How to check the
bearing? (Bearing overhaul) Before removal, After removing
1110Question.
check after
removing main bearing?
1109Question.
checks after
removing big end bearing?
1108Question.
check after
removing upper half bearing?
1107Question.
check after
removing crank pin bearing?
1106Question.
What points do you
check on thin shell bearing during overhaul?
For old & new
thin shell
1105Question.
How to decide that
shell to be replaced?
1104Question.
How to check
bearing wear down (Main bearing) without bearing removal?
1103Question.
Causes of bearing
overheat
1102Question.
Cause of Big
end/crank pin bearing bolts failure
1101Question.
Overheating of
plumber block bearing how will you reduce it
1100Question.
How to check
plumber block at sea ?
1099Question.
Main bearing
removing procedure.
1098Question.
Big end bearing
removing and fitting procedure.
1097Question.
Bearing Clearances value.
1096Question.
Bearing Clearance
Methods:
1095Question.
Typical Bearing Pressures:
1094Question.
Bearing Material
1093Question.
Bearing Material Mechanical Properties
1092Question.
How holding down bolts may become slack in service
1091Question.
Why side and end chocks are incorporated in addition to holding down bolts in large main engines?
1090Question.
State the Factors which result in fatigue failure of holding down bolts.
1089Question.
What are Jack Bolts? Advantage of Jack bolts
1088Question.
Opening procedure for Jack Bolts & Tensioning of Jack Bolts
1087Question.
Why long holding down bolts are used.
1086Question.
engine top bracing, explaining why it is fitted to large cross head engines
1085Question.
How a holding down system is checked
1084Question.
ENGINES WITHOUT TIE BOLTS.
1083Question.
Tie rod bolt pinch screw? Its purpose, where it is fitted and why.
1082Question.
Action that should be taken to allow the ship to proceed safely if a broken tie rod cannot be repaired right away.
1081Question.
Advantages claimed for the twin tie bolt arrangement.
1080Question.
If any tie rod is slackened up what way you will come to know in running condition of engine?
1079Question.
consequences of operating an engine with a broken tie rod.
1078Question.
Causes of Tie-Rod Breaking?
1077Question.
effects of over tightening a tie bolt.
1076Question.
Pretensioning Check.
1075Question.
Procedure for tightening tie rod
1074Question.
Why tie bolt are designed to be as close to the crank shaft as possible.
1073Question.
Why tie bolt are provided.
1072Question.
Consequences of operating the engine with serious defects present in the transverse girder.
1071Question.
What is lost
motion? What is Gain Motion?
1070Question.
explain
the pneumatic Manoeuvering system.
1069Question.
Sketch a
manoeuvring diagram for MAN B&W engine.
1068Question.
Sketch a
manoeuvring diagram for sulzer engine.
1067Question.
describe a Sulzer RTA air starting system. how it
operates.
1066Question.
describe a Sulzer RT Flex Air Start System.
1065Question.
MAN B&W MC
Main Engine air starting system and describe how it operates.
1064Question.
describe The MAN B&W ME Engine Air Start System.
1063Question.
How will you test Steering gear motor failure
1062Question.
How will you test Auxiliary boiler flame failure
1061Question.
How will you test Cargo hold bilge alarm
1060Question.
How will you test Control air pressure low
1059Question.
Cause of High exhaust temperature differential. How will you test it.
1058Question.
Leaking tubes can be a problem with air coolers and usually appears in the form of excessive water at drains. How is it possible to find the tube leak and plug it while the engine is still running?
1057Question.
Turbocharger out of Operation
1056Question.
procedure involved in the replacement of a turbocharger bearing?
1055Question.
Procedure for OPERATION WITH DEFECTIVE TURBOCHARGER
1054Question.
What is matching of turbocharger? When is a turbocharger said to be “matched” to an engine?
1053Question.
Types of pressure charging.
1052Question.
Different types of scavenging on 2 strokes.
1051Question.
State an approximate figure for thrust clearance and suggest the possible effects of incorrect clearance.
1050Question.
how thrust clearance is measured.
1049Question.
approximate figure for thrust clearance and suggest the possible effects of incorrect clearance.
1048Question.
Why are thrust bearing fitted close to engine.
1047Question.
what is gear hammer, what the damage it can cause and what may be incorporated into the system to reduce or eliminate it.
1046Question.
What is
1045Question.
What is the advantage of employing inverse cam in the MC engines?
1044Question.
stuffing box butt clearance reduced
1043Question.
SIPWA.
1042Question.
cause and effects of polishing or glazing?
1041Question.
defects that diesel engine stuffing box or diaphragm gland likely to display?
1040Question.
Purpose of stuffing box, upper half & lower half of the piston rod gland
1039Question.
Explain about Anti-Polishing Rings (Carbon cuttings rings, Fire band rings etc). advantages
1038Question.
Advantages of Contoured Profiles?
1037Question.
Advantages of Chrome plating the liner & the ring groove?
1036Question.
Why are Coating applied to the piston ring. What is Running-in coating? To which piston ring are they applied.
1035Question.
Advantages - disadvantage of Large Radial Thickness? Advantages of Large Axial Height?
1034Question.
butt clearance? Give value for large 2 strokes Engine, axial clearance for the large 2 stroke and 4 stroke engine?
1033Question.
What is Radial clearance. Axial clearance. Butt clearance
1032Question.
effect on the piston crown when piston and liner wear? How should piston and liner be inspected?
1031Question.
rule for finding piston ring butt clearance.
1030Question.
some values for the vertical or axial clearance and gap opening of diesel engine piston rings.
1029Question.
value of radial ring thickness?
1028Question.
value of axial height of ring?
1027Question.
indication of piston going to seize
1026Question.
Reasons for piston ring collapsing?
1025Question.
cause for Piston Overheat? Detection of Piston Overheating
1024Question.
cause for Deposits on Piston Rings and Piston?
1023Question.
cause for Ring Breakage?
1022Question.
cause for Ring Sticking?
1021Question.
defects that diesel engine piston crowns are likely to display? repairs that you would carry out
1020Question.
why properly honed diesel engine cylinder liner will shorten the ring breaking in period.
1019Question.
Piston ring coatings and why?
1018Question.
What is plasma coating of piston rings? Which piston rings are plasma or chrome coated?
1017Question.
What is the purpose of circumferential clearance of piston rings?
1016Question.
What is the range of clearances for piston rings in crosshead engines? What is fitted when large amounts of cylinder liner wear occurs? What will excessive wear of piston rings cause?
1015Question.
functions of the piston ring. Material of piston rings
1017Question.
purpose of the skirt of a four stroke piston? material of the skirt
1013Question.
cause for Broken Piston Ring? Effects
1012Question.
What is the cause for Cracked Piston? Indications, Reasons
1011Question.
Possible indications, causes, for Hot running of a piston and Remedial measures you would take.
Possible indications.
1010Question.
Reasons for Piston Crown Burning?
1009Question.
faults in piston?
1008Question.
Piston Ring Clearances.
1007Question.
Reason for Piston Ring Failure.
1006Question.
Piston crown (fire side) deposits inside the ring groove and on the body of piston. Indications, Causes, Corrective action
1005Question.
what is the effect of ignition lag on 2s & 4s and what actions are required when using fuel with ignition lag ?
1004Question.
what is high efficiency turbochargers
1003Question.
effects and causes for Cylinder lubrication to fail, also state the checks and remedial measure you will take.
1002Question.
Why Breaking in and Running in?
1001Question.
Where does Cylinder Liner Pitting corrosion occur reason.