The main purpose of port State control is not to（）

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

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

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）

Using a file without a handle may result in （）

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

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

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

The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）

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