单项选择题
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 （）.
单项选择题 Cylinder lubrication oil for low speed main propulsion diesel engines is admitted to each cylinder during （）.
单项选择题 The speed of the camshaft in a two-stroke/cycle diesel engine, running at 950 RPM, is （）.