a failure of the motor
a failure of lubricator
a failure of cylinder
a failure of fuel pump
第1题:
Fuel has been injected but ignition fails. The possible cause may be ______.
A.slightly leaky exhaust valve
B.increased scavenging air temperature
C.engine cylinders not scavenged sufficiently
D.too much water in the fuel oil
第2题:
vacuum pressure
specific gravity
heat
viscosity
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:
a failure of the motor
a failure of lubricator
a failure of cylinder
a failure of fuel pump
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:
reduce fuel feeding
increase fuel feeding
keep original fuel feeding
be overspeed
第7题:
the motor
the fresh water generator
the governor
the fuel pump
第8题:
If the engine does not start on air, it may be due to
A.low compression of the fuel pumps
B.incorrect timing of fuel pumps
C.the starting air valves stuck
D.air-locks in fuel oil pipeline
第9题:
fine atomization
high temperature
good mixing of fuel and air
all of the above
第10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