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

In a simple mechanical governor, the （）.

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

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

Maximum horsepower of a diesel engine is attained （）.

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

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

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

When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.

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