clogged filters
poor combustion
overloading of the diesel
shock of fuel lines
第1题：
low lube oil temperature
low starting air temperature
air in the fuel injection
water in the starting air system
第2题：
ignition lag
engine horsepower
lube oil system pressure
specific fuel consumption
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：
an increased flash point
higher lube oil pressures
an increased viscosity
lower lube oil pressures
第5题：
the engine to run after the fuel has been secured
the engine to over-speed
a fire
all of the above
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：
pitting
sludge
hard varnish
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：
high lube oil temperature
blue smoke
the engine to stop
piston seizure