To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

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

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

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

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）

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

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

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）

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

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