单项选择题
A pyrometer is an instrument commonly used to measure（）
A.cylinder pressure
B.flame intensity
C.exhaust gas temperature
D.crankshaft axial alignment
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相关考题
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单项选择题
Worn main bearings in a diesel engine can result in （）
A.decreased compression pressure
B.increased lube oil pressure
C.lower lube oil temperature
D.excessive leakage past the piston rings -
单项选择题
When monitoring diesel engine performance, the most useful instrument to use is the （）
A.dwell-tachometer
B.exhaust gas pyrometer
C.fuel flow rate mete
D.exhaust gas analyzer -
单项选择题
Low compression in a diesel engine could be caused by（）
A.worn or broken cylinder liner sealing rings
B.high cooling water temperature
C.worn or broken piston rings
D.low fuel oil pressure
