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

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

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

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

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

For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.

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

In a simple mechanical governor, the （）.

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

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