Question   

With reference to Boiler water tests carried out onboard:

A. Discuss the possible reasons for the following changes in boiler water test results, and state what actions should be taken in each case;1. Reduction in total dissolved solids and chemical reserves.2. Reduction in phosphate reserve, with increase in chlorides and total dissolved solids;3. Reduction in alkalinity reserve only.4. Increase in oxygen levels only.B. State why the complete results of boiler water tests are logged or entered into a data retrieval system rather than a note being made of any particular result which may be outside set limits.

2019/FEB/ DEC 2019

DEC 2018/AUG 2018/NOV 2018/DEC