grinding the spare plunger to the barrel
replacing the plunger and the barrel
highly polishing both the plunger and barrel
replacing plunger only
第1题:
An increase in the fuel injection pump discharge pressure can be caused by a/an _______.
A.leaking delivery valve
B.excessive bearing end play
C.plugged injector spray hole
D.increased plunger stroke
第2题:
利用TCM软件清理Axios光谱仪Plunger的密封圈灰尘的操作步骤是()
第3题:
The plunger in a jerk pump is rotated until the release port is uncovered If the port remains uncovered all of the time, which of the listed operations will occur?
A.No fuel will be delivered
B.The maximum effective stroke will be attained
C.The fuel delivered to the cylinder will be excessive
D.The injection nozzle will overheat and carbonize
第4题:
the pump supply pressure
the slope of the fuel cam
how the plunger is rotated
the number of sleeve segments engaged with the rack
第5题:
grinding the spare plunger to the barrel
replacing the plunger and the barrel
highly polishing both the plunger and barrel
replacing plunger only
第6题:
The amount of fuel delivered by a helical plunger fuel injection pump is controlled by ______.
A.varying the pump discharge pressure
B.varying the pump return pressure
C.rotation of the pump plunger
D.rotation of the pump barrel
第7题:
keep the parts immersed in diesel fuel
always keep the plunger and barrel together
work over a linoleum-type surface
all of the above
第8题:
As the plunger moves upwards in the barrel, injection will commence once the plunger bas_______the spill ports and the pressure builds up.
A.opened up
B.closed off
C.lined up
D.taken off
第9题:
base circle
slope
bottom point
top point
第10题:
changes the position of the fuel inlet ports
changes the length of the pump stroke
varies the quantity of fuel delivered
varies the compression of the delivery valve spring