the pump supply pressure
the slope of the fuel cam
how the plunger is rotated
the number of sleeve segments engaged with the rack
第1题：
Fuel is admitted to a diesel engine cylinder through the ______.
A.injector nozzles
B.carburetor
C.exhaust ports
D.intake valves
第2题：
the pump supply pressure
the slope of the fuel cam
how the plunger is rotated
the number of sleeve segments engaged with the rack
第3题：
If you suspect a diesel engine is misfiring due to air leakage into the fuel system, you should begin looking for the leak at the
A.fuel line connections to the cylinder injection valves
B.gasket surfaces of the fuel oil filters
C.discharge fittings of the fuel injector pumps
D.suction side of the fuel oil transfer pump
第4题：
the cylinder liner
the cylinder cover
the cylinder jacket
the piston
第5题：
crankshaft
camshaft
piston rod
rack and pinion
第6题：
Fuel injector的中文意思是（）。
第7题：
quantity of fuel injected is decreased
quantity of fuel injected will always be increased
start of injection is advanced
duration of injection will always be greater
第8题：
Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by
A.heat conduction into the injected fuel oil
B.heat conduction into the water jacket wall
C.water circulation through passages in the holder
D.fuel oil circulation through passages m the holder
第9题：
prolonged maintenance intervals
improved atomization
greater fuel economy
incomplete combustion
第10题：
a leaking fuel injector nozzle
a clogged air filter
excessively early fuel injection
malfunctioning valves