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单选题
Each cylinder in a two stroke cycle engine experiences combustion（）.
A
once each crankshaft revolution
B
twice each crankshaft revolution
C
every other crankshaft revolution
D
every fourth stroke
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单选题How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）A
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考题
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考题
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higher working temperature of the piston and cylinder
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单选题For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.A
it has a longer power strokeB
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单选题（）uses one or two high pressure pumps for all the cylinders with one more standby, while（）have a separate high-pressure pump for each cylinder.A
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单选题A six-cylinder, two-stroke/cycle diesel engine is fitted with a rotary distributing air starting systemThe speed of the rotating distributor disc is （）A
one-half engine speedB
the same as engine speedC
twice engine speedD
four times engine speed
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单选题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
45B
60C
90D
100
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单选题A piston in a four-stroke/cycle diesel engine makes four strokes during each （）.A
crankshaft revolutionB
mechanical cycle of operationC
period of two combustion cyclesD
cycle of two events
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