海船船员考试
单选题While overhauling a jerk-type fuel pump it is necessary to replace the pump plungerWhich of the parts listed below must also be replaced?（）A Delivery check valveB Pump barrelC Tubing to the injectorD Cam follower
题目
Delivery check valve
Pump barrel
Tubing to the injector
Cam follower
参考答案和解析
相似问题和答案
第1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2题：
Fuel pump的中文意思是（）。
正确答案:燃油泵
第3题：
Which of the following problems is the main source of fuel pump and injection system malfunctions?
A.Improper lubrication
B.Air in the fuel system
C.Coated fuel lines
D.Excessive vibration
第4题：
Improper lubrication
Air in the fuel system
Coated fuel lines
Excessive vibration
第5题：
improper adjustment
contaminated fuel
kinked fuel lines
excessive engine vibration
第6题：
If you must pump bilges while a vessel is in port，you should pump only ______．
A.If discharge is led to a shore tank or barge
B.During the hours of darkness
C.On the outgoing tide
D.As much as is necessary
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：
If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?
A.Pump only if the discharge is led to a shore tank or barge
B.Pump only during the hours of darkness
C.Pump only on the outgoing tide
D.Pump only as much as is necessary
第9题：
try to find out where the oil is coming from
call the Master
have the pump man check the discharge piping
shutdown operations
第10题：
finished with engines
stop
stand by
full ahead