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

Using a file without a handle may result in （）

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

Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

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

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

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

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

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

Diesel engine air start system check valves are opened by （）