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

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 （）.

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

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

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

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

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

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

How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）