单项选择题
A.oil spray B.oil bath C.oil control rings D.drilled passage through the camshaft
In a four-stroke/cycle diesel engine, the camshaft rota...
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
A restricted air intake to a diesel engine may result i...
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
Temperature control valves installed in the jacket cool...
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
