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

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

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

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

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

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

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）

Using a file without a handle may result in （）

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

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