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

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

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

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

To proceed to the assistance of a ship in distress is（）

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

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

The treatment of the fuel oils involves storage, heating, filtering and（）

The shipboard oil pollution emergency plan will be invalid after （）

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