单项选择题
The effective stroke of a constant-stroke, individual, fuel injection pump is varied by the （）.
A.control rack
B.delivery valve
C.governor speed
D.plunger crossbar
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相关考题
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单项选择题
The ability of a fuel particle to travel into the combustion chamber before burning is called （）.
A.penetration
B.permanence
C.turbulence
D.atomization -
单项选择题
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 -
单项选择题
All of the diesel engine cylinder firing pressures are normal, yet all of the exhaust temperatures are lowWhich of the following situations is responsible for this condition?（）
A.Excessively early injection timing
B.Combustion knock
C.Leaking piston rings
D.Light load
