单项选择题
Diesel engine automated control systems may utilize sensing devices of dual function, with sensing ranges providing both alarm and engine shut down capability.Which of the key points would only require an alarm sensor?（）
A.Lube oil pressure and temperature
B.jacket water pressure and temperature
C.Engine over-speed
D.Lube oil sump level
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相关考题
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单项选择题
What is the function of an engine’s stationary parts?（）
A.To add power to the engine
B.To keep the engine firmly attached to its supporting base
C.To keep moving engine part in their proper relative positions
D.To rotate the crankshaft -
单项选择题
An overcorrecting and unstable engine governor operation is known as（）.
A.droop
B.dead banding
C.dash potting
D.hunting -
单项选择题
Coolant can be lost from a diesel engine jacket cooling waster system by leakage from（）
A.cylinder head cracks
B.piping joints
C.pump leaking
D.all of the above
