A.increasing cooling water flow
B.increasing lube oil flow
C.dilution by fuel oil
D.adding SAE 70 oil
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A.engine power losses
B.smoking due to unburned fuel
C.high exhaust temperature readings
D.all of the above
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
A.tachometer
B.pyrometer
C.dynamometer
D.calorimeter
A.employing fuel oil as a cooling medium
B.preventing hard carbon deposit on nozzle tips
C.avoiding fuel oil temperature exceeding builder’s specification
D.ensuring good metallic contact between nozzles and cylinder heads
A.it is fitted with neoprene O-ring seals
B.the honing process makes it easier to maintain the desired oil film
C.there is likelihood of water leaking into the combustion space
D.it fits more loosely due to a decrease in heat transfer through the composite wall
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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
Flame failure in an automatically fired auxiliary boiler can from a/an （）
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The cetane rating of diesel fuel is an indication of the （）
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