单项选择题
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
A.tachometer
B.pyrometer
C.dynamometer
D.calorimeter
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相关考题
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单项选择题
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
A.Speed limiting governor
B.Over-speed governor
C.Over-speed trip
D.Over-speed relay -
单项选择题
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
A.Sensitivity
B.Power
C.Speed droop
D.Compensation -
单项选择题
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
A.double bottom fuel oil tank temperature
B.heater supply steam flow
C.pressure of the fuel supplied to the burners
D.attemperator steam flow in the heater discharge circuit
