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

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

A thrust bearing is used with a propulsion diesel engine to （）.

Diesel engine control can be obtained by the bridge （）.

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

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

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 （）.

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

Lube oil cannot be efficiently filtered if its （）.

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