单项选择题
For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an （）.
A.oil spray
B.oil bath
C.oil control rings
D.drilled passage through the camshaft
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相关考题
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单项选择题
In a four-stroke/cycle diesel engine, the camshaft rotates at （）
A.twice the crankshaft speed
B.half the crankshaft speed
C.the same speed as that of the crankshaft
D.a speed independent of that of the crankshaft -
单项选择题
A restricted air intake to a diesel engine may result in the engine （）.
A.failing to reach rated speed
B.knocking under maximum load
C.hunting or surging under light load
D.overspeeding and running away -
单项选择题
Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.
A.cooling water pump
B.nozzle cooling passages
C.cylinder jackets
D.heat exchanger
