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

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

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

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

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

In a simple mechanical governor, the （）.

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

The main purpose of the piston oil scraper rings is to （）.

The ability of the governor to prevent fluctuations in engine speed is termed （）.

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