fuel treatment
fuel combustion
fuel injection
fuel separating
第1题：
damage to strainers
over-speeding of the engine
excessive cooling of the engine
injector damage
第2题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine jacket water
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：
Move the fuel control mechanism to the no fuel position
Block the fuel supply by closing the master fuel valve
Shut off the fuel supply and block the flow of intake air
Relieve all pressure in the fuel system
第5题：
ignition lag
engine horsepower
lube oil system pressure
specific fuel consumption
第6题：
low lube oil temperature
low starting air temperature
air in the fuel injection
water in the starting air system
第7题：
low combustion temperature
a leaking fuel nozzle check valve
late fuel injection
plugged oil-scraper ring hole
第8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9题：
the engine to run after the fuel has been secured
the engine to over-speed
a fire
all of the above
第10题：
an increased flash point
higher lube oil pressures
an increased viscosity
lower lube oil pressures