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單項(xiàng)選擇題

What is the crank angle between any two crank throws in the firing order of a four-stroke/cycle, in line, eight cylinder diesel engine?（）

A.45
B.60
C.90
D.100

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單項(xiàng)選擇題

Misalignment of the drive shaft and propeller shaft flanges can be detected by using a dial indicator or （）.

A.inside micrometer
B.feeler gauge
C.adjustable trammel
D.sighting device

單項(xiàng)選擇題

In order to reverse the rotation of a two-stroke/cycle loop scavenged, direct reversing, propulsion diesel engine, the cam positions must be changed for the （）.

A.starting air and fuel pumps
B.piston cooling pumps
C.exhaust valves
D.all of the above