the inlet valve
the outlet valve
both the inlet valve and the outlet valve
the pump inlet valve
第1题:
dial indicator
outside caliper
bridge gauge
tram rod
第2题:
runs out of fuel
has low lubricating oil pressure
exceeds a set maximum speed
has high cooling water temperature
第3题:
A diesel engine experiences a sudden loss in speed, accompanied by black exhaust smoke, with the fuel rack at maximum, and speed remaining below normal .the probable ___.
A.engine overload
B.leaky valves
C.stuck or broken piston rings
D.low air injection pressure
第4题:
increasing the quantity of starting air
increasing the lube oil pressure
heating the engine fuel supply
heating the engine coolant
第5题:
direct action of cam shaft
compressed air pressure
hydraulic “push rods”
direct action of the main piston moving down
第6题:
Manually trip the over-speed device
Interrupt the fuel flow to the engine
Disengage the safety interlock
Slide the camshaft to the neutral position
第7题:
slow-speed diesel
medium-speed diesel
high-speed diesel
constant-speed diesel
第8题:
How should you warm up a diesel engine that has not been run for some time?______.
A.Run it at minimum speed for a period of time
B.Run it at half speed for a period of time
C.Bring it to top speed immediately
D.Inject ether into the air intake
第9题:
caused by retarded injection timing
caused by a mechanical defect in one cylinder
caused by high fuel injection pressures
normal for these conditions
第10题:
Lubrication to the defective cylinder should be increased
Cooling water temperature to the engine should be increased
Only the turbocharger speed should be reduced
Engine speed should be reduced