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单选题
Proper atomization of fuel in diesel engine combustion chambers will （）.
A
affect the injection pressure
B
improve combustion
C
reduce compression pressure
D
decrease power output
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单选题Proper atomization of fuel in diesel engine combustion chambers will （）.A
affect the injection pressureB
improve combustionC
reduce compression pressureD
decrease power output
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单选题The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.A
air bottleB
air compressorC
crank caseD
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the size of the holes in the fuel nozzleB
timing of the pumpC
supply pressure to the pumpD
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单选题A change in the quality of fuel atomization by a diesel engine fuel injector would be caused by a/an （）A
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increase in cylinder turbulenceC
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单选题Persistent knocking of one cylinder of a diesel engine ceases when the fuel supply to that cylinder is securedThis problem may be a result of （）A
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单选题The longer the ignition delay period occurs in a diesel engine, the （）.A
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air turbulenceB
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单选题Which of the following statements concerning fuel atomization in a diesel engine cylinder is correct?（）A
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单选题In the cylinder of a diesel engine fuel is ignited by the（）A
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单选题Fuel droplets injected into a diesel engine cylinder must have adequate penetration to （）A
prolong the ignition delay periodB
ensure the beginning of fuel injectionC
thoroughly utilize the air chargeD
allow controlled fuel combustion
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单选题Proper dispersion of fuel in a diesel engine cylinder is dependent upon the （）A
injection pressureB
shape of combustion spaceC
turbulence in combustion spaceD
all of the above
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