Flame failure in an automatically fired auxiliary boiler can from a/an （）

The ISPS Code consists of a mandatory section-Part A, which shows（）

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）

If separating effect is not good, which measure should be taken （）

Under MARPOL Code the ship to which it applies has to carry （）

The cetane rating of diesel fuel is an indication of the （）

Cold weather starting of a diesel engine may be made easier by（）