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

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

White smoke exhausting from an operating diesel engine may indicate （）.

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

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

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

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

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

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

Lube oil cannot be efficiently filtered if its （）.