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

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

In a simple mechanical governor, the （）.

Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.

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

Maximum horsepower of a diesel engine is attained （）.

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 （）.

Combustion knock occurring in a diesel engine can be caused by （）.

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