intake valves
carburetor
exhaust ports
injector nozzles
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：
Excessive cylinder liner
water in the fuel system
Cracked cylinder liner
Leaking lube oil cooler
第3题：
If the diesel engine fuel injection timing is changed to delay the start of injection until the pistons are at top dead center, the engine will_________.
A.backfire through the air intakes
B.develop less power under load
C.have high firing pressures
D.lift its cylinder relief valves
第4题：
the exhaust will be clear
fuel consumption will be low
all the fuel will be burned at top dead center
fuel consumption will be high
第5题：
vacuum pressure
specific gravity
heat
viscosity
第6题：
clogged coolant passages
a leaking cylinder head gasket
low fuel oil pressure
worn or broken cylinder liner sealing rings
第7题：
turbocharger
injection nozzle tip
carburetor
fuel oil pump
第8题：
When fuel is injected late into a diesel engine cylinder_______.
A.the exhaust will be clear
B.fuel consumption will be low
C.all the fuel will be burned at top dead center
D.fuel consumption will be high
第9题：
feel the high pressure fuel line
check the cylinder exhausts for white smoke frequently
check the cylinder exhaust temperature
isolate each cylinder and inspect the injector
第10题：
a leaking fuel injection nozzle
a clogged air filter
early fuel injection
burned valves