Lube oil cannot be efficiently filtered if its （）.

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

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

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?（）

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

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

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

Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）

Routine monitoring of a diesel engine should include （）.

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