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

Lube oil cannot be efficiently filtered if its （）.

What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）

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

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

The highest pressure in a diesel engine cylinder normally occurs （）.

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

What is the function of the thrust bearing?（）

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

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