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

Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.

For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.

If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.

When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.

Maximum horsepower of a diesel engine is attained （）.

Diesel engine control can be obtained by the bridge （）.

Lube oil cannot be efficiently filtered if its （）.

In a simple mechanical governor, the （）.

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