单项选择题
Thermocouple pyrometers are used on large, main propulsion diesel engines to indicate the temperature of the（）
A.cooling water leaving each cylinder
B.fuel oil entering the injector
C.exhaust gases at various locations
D.lube oil at the bearing supplies
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相关考题
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单项选择题
Low compression pressure in a diesel engine is caused by（）
A.low water in the expansion tank
B.improperly seated valves
C.low fuel oil pressure
D.worn or broken cylinder liner sealing rings -
单项选择题
A pyrometer is an instrument used to measure the temperature of the diesel engine（）
A.exhaust
B.fuel oil
C.cooling water
D.cylinder liner -
单项选择题
Low compression pressure in a diesel engine can be caused by（）
A.improperly seating intake valves
B.leaking cylinder liner seal rings
C.late fuel injection timing
D.carbon deposits on the piston
