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

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

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

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

An automated diesel engine should normally shut down due to （）

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

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

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

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

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