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

Using a file without a handle may result in （）

The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）

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

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

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（）

The condensers located in various stages of a flash evaporator are cooled by（）

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

If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）