the pump cylinder
the pump cam
the pump plunger
the pump miler
第1题：
Modern marine diesel engines equipped with mechanical fuel injection operate on a combustion phase within the cycle which is ______.
A.entirely constant pressure
B.entirely constant temperature
C.a combination of constant volume and constant pressure
D.a combination of constant temperature and constant pressure
第2题：
Fuel pump的中文意思是（）。
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：
regulate the fuel supply
maintain a constant fuel viscosity at the fuel valves
maintain efficient cooling
alter the fuel density
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：
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8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9题：
Improper lubrication
Air in the fuel system
Coated fuel lines
Excessive vibration
第10题：
mixed-flow
axial-flow
centrifugal
displacement