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单选题
When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will（）
A
lag behind the increased fuel supplied to the engine
B
enter the engine along with the increase in the fuel
C
enter the engine before the increased fuel supply
D
leave the turbocharger as a negative pulse
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更多 “单选题When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will（）A lag behind the increased fuel supplied to the engineB enter the engine along with the increase in the fuelC enter the engine before the increased fuel supplyD leave the turbocharger as a negative pulse” 相关考题
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regulating the speed of the turbochargerB
rotating the fuel injector pump plungerC
regulating the speed of the fuel oil transfer pumpD
changing engine timing
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increase the no-load RPMsD
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power the turbochargerC
reduce the cylinder scavenge effectD
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reduce engine room noiseD
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单选题High exhaust temperatures from all of cylinder of a turbocharged, four-stroke/cycle diesel engine can be caused by an（）A
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inadequate fuel supplyC
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单选题The relative air pressure in the inlet manifold of a turbocharged diesel engine is usually（）A
greater than the average exhaust manifold pressureB
less than the average exhaust manifold pressureC
greater at the turbine wheel than at the impellerD
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单选题The load limitation of governor should be reduced when ship navigating at sea, the main reason is to（）A
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单选题A turbocharged diesel engine will have an intake manifold pressure（）A
constantly decreasing as engine load increaseB
constantly increasing as the amount of supercharging increasesC
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单选题Why will a turbocharger diesel engine produce black smoke if excessive additional load is applied too quickly?（）A
Exhaust energy would draw excess airB
The inertia of the turbocharger rotor causes a time lag which delays the turbocharger speed increaseC
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bedplate or baseB
sump or oil panC
cylinder blockD
frame
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when the engine RPM is pulled down by overloadB
at rated engine RPMC
at 95 % of rated engine RPMD
at 95 % of a properly adjusted governor RPM with the engine under full load
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单选题Which condition indicates the air side fouling of an after-cooler on a turbocharged diesel engine?（）A
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restricted turbocharger air intakeB
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decrease until the engine speed increasesB
increase as the load increasesC
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during the valve overlap periodB
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单选题A four-stroke cycle, turbocharged, 1000 horsepower diesel engine has been operating under loadThe load suddenly increases, causing excessive black exhaust smoke, and a rapid rise in the lube oil temperatureIn response to this condition, you should:（）A
reduce loadB
check your exhaustC
adjust cooling water temperatureD
increase lube oil flow
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