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單項選擇題

A defective injector nozzle in a propulsion diesel engine can cause（）

A.engine power losses
B.smoking due to unburned fuel
C.high exhaust temperature readings
D.all of the above

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單項選擇題

The major cause of problems occurring with fuel injection equipment is（）

A.incorrect replacement of barrels and plungers of jerk pumps
B.overheating of the nozzle orifices
C.cracked pump housings
D.dirt in the fuel

單項選擇題

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engineThe device most commonly used is a（）.

A.tachometer
B.pyrometer
C.dynamometer
D.calorimeter

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