单项选择题

Failure of fuel injection is usually due to trouble in the （）.

A.exhaust valves
B.mechanical lubricators
C.cooling water pumps
D.fuel injection pumps

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

Factor influencing the position of the interface between the liquid seal and the oil in a purifier is （）.

A.throughput
B.back pressure
C.gravity disc
D.None of the above is wrong

单项选择题

Expansion tank should be used to remove （） from cooling water.

A.scale
B.sludge
C.chemicals
D.air

单项选择题

Exhaust temperature increases in all cylinders, the possible cause may be（）
(1) increased scavenging air temperature
(2) air in fuel pumps and fuel valves
(3) fouling of air and gas passages

A.(1)+(2)
B.(1)+(3)
C.(2)+(3)
D.(1)+(2)+(3)