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

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

Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.

When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）

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

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

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

Lube oil cannot be efficiently filtered if its （）.

Maximum horsepower of a diesel engine is attained （）.

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