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

Routine monitoring of a diesel engine should include （）.

The minimum speed an engine must attain before ignition can occur depends upon （）.

If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.

Lube oil cannot be efficiently filtered if its （）.

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

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

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

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

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