In a simple mechanical governor, the （）.

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

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

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

Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.

Proper filtering and straining of fuel oil is important because the （）.

Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.

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

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

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