单项选择题
A change in engine speed is required before a governor is able to make a corrective movement of fuel rackThis aspect of governing is commonly expressed as a percent and is known as （）
A.governor sensitivity
B.governor promptness
C.speed droop
D.isochronous governing
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相关考题
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单项选择题
Exhaust pyrometer readings provide an indication of the （）
A.effectiveness of water-cooled exhaust elbows
B.distribution of the load between engine cylinders
C.amount of fuel penetration into the engine cylinders
D.indicated horsepower of the engine cylinders -
单项选择题
Fuel oil discharged to the diesel engine cylinder is atomized at the （）
A.turbocharger
B.injection nozzle tip
C.carburetor
D.fuel oil pump -
单项选择题
Cavitation erosion in the cooling water system of a diesel engine usually occurs at the pump impeller, and on the waterside of the （）
A.fuel nozzle holders
B.exhaust value guides
C.engine cylinder liners
D.low temperature and a low viscosity
