When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）

The function of diesel engine piston compression rings is to （）.

If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.

What is the function of the thrust bearing?（）

A thrust bearing is used with a propulsion diesel engine to （）.

In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.

The ability of the governor to prevent fluctuations in engine speed is termed （）.

Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.

Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

In using reduction gears to obtain efficient propeller speeds, （）.