loss of power
misfiring
low fuel oil pressure
All of the above
第1题：
to prevent the fuel system from becoming air-hound
to prevent the fuel system becoming clogged with dirty particles
both of the above
to prevent the lubricating oil from leaking out of the filter element
第2题：
pitting
sludge
hard varnish
all of the above
第3题：
Prolonged operation of a diesel engine with a closed cooling water system, at lower than normal designed operating temperatures can ______.
A.increase power output
B.decrease lube oil viscosity
C.eliminate fuel knock
D.cause sulfuric acid formation
第4题：
over-speeding of the engine
failure of the engine to shut down
no effect of engine mounting bolts
high exhaust temperatures
第5题：
a leaking fuel injector nozzle
a clogged air filter
excessively early fuel injection
malfunctioning valves
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：
ignition failure
oxygen corrosion of the fuel lines
the pistons to seize
blue smoke
第10题：
an increased flash point
higher lube oil pressures
an increased viscosity
lower lube oil pressures