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

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）

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

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

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

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

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.