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?（）

Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.

The minimum speed an engine must attain before ignition can occur depends upon （）.

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

Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.

Lube oil cannot be efficiently filtered if its （）.

Proper filtering and straining of fuel oil is important because the （）.

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

Routine monitoring of a diesel engine should include （）.