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 ISPS Code consists of a mandatory section-Part A, which shows（）

As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）

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

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

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

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

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

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