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

Lube oil cannot be efficiently filtered if its （）.

To determine if the lube oil filter elements need changing, （）.

Maximum horsepower of a diesel engine is attained （）.

Combustion knock occurring in a diesel engine can be caused by （）.

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

A diesel engine piston ring face is in direct contact with the （）.

If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.

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