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

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

For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）

A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）

Which of the following items don’t belong to dock repair works?（）

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

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

The main purpose of port State control is not to（）

Engine parameters shall be corresponded to NOx Technical Files. This is required by （）

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