If separating effect is not good, which measure should be taken （）

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

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

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

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）

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

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

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

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

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