overheated injection pumps
water condensation in the cylinders
fuel dilution of the lube oil
air in the fuel system
第1题：
clogged coolant passages
a leaking cylinder head gasket
low fuel oil pressure
worn or broken cylinder liner sealing rings
第2题：
low combustion temperature
a leaking fuel nozzle check valve
late fuel injection
plugged oil-scraper ring hole
第3题：
One cause of diesel engine surging can be a result of ______.
A.injection pump plungers stuck or worn
B.low compression
C.solenoid stuck open
D.fuel tank too full
第4题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第5题：
a shortened ignition delay period
a lean fuel/air mixture
excess fuel in the combustion chamber
rapid vaporization of injected fuel droplets
第6题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine jacket water
第7题：
the engine to run after the fuel has been secured
the engine to over-speed
a fire
all of the above
第8题：
damage to strainers
over-speeding of the engine
excessive cooling of the engine
injector damage
第9题：
an increased flash point
higher lube oil pressures
an increased viscosity
lower lube oil pressures
第10题：
fuel oil vapor at the sludge tank vent
unburned fuel vapors in the scavenge air receiver
lube oil vapors in the crank case
lube oil vapors in the engine room