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

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

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

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（）

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

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

Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

Diesel engine air start system check valves are opened by （）

（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

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