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單項選擇題

On the top of the cylinder is mounted the cylinder cover which is pressed onto （） of the cylinder liner by means of nuts and studs.

A.the camshaft
B.the flange
C.the ridge
D.the bulge

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單項選擇題

On opposite ends of a single shaft of a turboblower are a gas driven （）and a air compressor, which are sealed each other.

A.charge air receiver
B.scavenging air belt
C.turbine
D.air cooler

單項選擇題

On a four-stroke diesel engine, when the piston is driven downwards by the expanding gas, it delivers power to the crankshaft through the （）.

A.thrust block
B.sounding rod
C.connecting rod
D.push rod

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