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

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

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

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）

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

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（）

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

（） is not installed on the main switchboar.

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

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