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Sudden unloading of a diesel engine can cause ______．
A.Decreased fuel efficiency
B.Increased exhaust temperature
C.Black smoke
D.Overspeed trip
参考答案
更多 “ Sudden unloading of a diesel engine can cause ______．A.Decreased fuel efficiencyB.Increased exhaust temperatureC.Black smokeD.Overspeed trip ” 相关考题
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damage to strainersB
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increasing the quantity of starting airB
increasing the lube oil pressureC
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单选题If a diesel engine driving a generator turns over freely but fails to fire properly, the cause could be （）A
excessive compression pressureB
air in the fuel linesC
high fuel pressureD
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单选题A leaking diesel engine fuel injector will cause（）A
prolonged maintenance intervalsB
improved atomizationC
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单选题Leaking oil seals on a diesel engine turbocharger can cause（）A
the engine to run after the fuel has been securedB
the engine to over-speedC
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all of the above
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单选题A sudden drop in diesel engine cylinder compression pressure can be caused by（）A
a leaking fuel injector nozzleB
a clogged air filterC
excessively early fuel injectionD
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单选题If the relief valve on a diesel engine cylinder lifts, the cause could be due to （）A
liquid in the cylinderB
low compression in the cylinderC
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单选题Due to excessive water in the fuel, a diesel engine fails to startBefore the engine can be started, the water must be removed from the （）.A
fuel pumpsB
cylindersC
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单选题Air in the fuel lines of a diesel engine can cause （）A
ignition failureB
oxygen corrosion of the fuel linesC
the pistons to seizeD
blue smoke
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单选题A sudden decrease in the diesel engine lube oil viscosity could be an indication of（）A
loss of additives from the lube oilB
carbon deposits in the lube oilC
excessive centrifugingD
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单选题Which of the following conditions could be a cause of excessive fuel dilution of diesel engine lube oil?（）A
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All of the above are correct
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单选题If a diesel engine turned over at normal cranking speed but failed to start, the cause could be late fuel injection or （）A
excessive fuel pressureB
high lube oil viscosityC
inadequate fuel injectionD
excessive starting air pressure
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单选题Broken intake valve springs on one cylinder of a diesel engine can cause the engine to （）A
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fire improperlyC
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overheatrapidly
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单选题Permitting a diesel engine fuel oil day tank to run dry can cause （）A
overheated injection pumpsB
water condensation in the cylindersC
fuel dilution of the lube oilD
air in the fuel system
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单选题A distorted spray pattern from a fuel injector can cause a diesel engine to have （）A
higher firing pressureB
more power outputC
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单选题Faulty operation of diesel engine fuel injection nozzles can be a direct cause of（）.A
excessive fuel nozzle holder coolingB
sediment in the fuel supplyC
distortion of the fuel spray patternD
improper atomization of the fuel
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单选题The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.A
fuel treatmentB
fuel combustionC
fuel injectionD
fuel separating
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单选题A sudden drop in compression pressure in one cylinder of a diesel engine can be caused by（）A
a leaking fuel injector nozzleB
a clogged air filterC
excessively early fuel injectionD
malfunctioning valves
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单选题Clogged diesel engine fuel oil filters can cause（）A
loss of powerB
misfiringC
low fuel oil pressureD
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单选题Sudden unloading of a diesel engine can cause（）.A
decreased fuel efficiencyB
increased exhaust temperatureC
black smokeD
overspeed trip
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单选题Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engine to （）A
burn excessive amounts of lube oilB
overheat without smokingC
operate with reduce power or stopD
run away without load
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单选题After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）.A
low compressionB
air-bound fuel systemC
improper sparkD
change in viscosity
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