Question

With reference to fuel as used for main engine operations:

State why the ordering of bunkers should be by reference to a defined specification rather than simply by viscosity;

Explain how on board test for EACH of the following are carried out.

a- Viscosity.

b- Flash point.

c- Water content.

d- Compatility.

Explain the possible significance of an abnormally high bunker delivery temperature in relation to the viscosity of the fuel ordered.