ignition failure
oxygen corrosion of the fuel lines
the pistons to seize
blue smoke
第1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2题：
water in the fuel
cold lube oil
excessive starting air pressure
excessive fuel pressure
第3题：
_______can be a direct cause of faulty operation of diesel engine fuel injection nozzles.
A.Excessive fuel nozzle holder cooling
B.Sediment in the fuel supply
C.Distortion of the fuel spray pattern
D.Improper atomization of the fuel
第4题：
prolonged maintenance intervals
improved atomization
greater fuel economy
incomplete combustion
第5题：
low lube oil temperature
low starting air temperature
air in the fuel injection
water in the starting air system
第6题：
Sudden unloading of a diesel engine can cause ______．
A.Decreased fuel efficiency
B.Increased exhaust temperature
C.Black smoke
D.Overspeed trip
第7题：
damage to strainers
over-speeding of the engine
excessive cooling of the engine
injector damage
第8题：
If a diesel engine turned over freely but failed to start, the cause could be ________.
A.water in the fuel
B.cold lube oil
C.excessive starting air pressure
D.excessive fuel pressure
第9题：
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine jacket water
第10题：
the engine to run after the fuel has been secured
the engine to over-speed
a fire
all of the above