海船船员考试
单选题A drop in compression pressure in one cylinder of a diesel engine can be caused by（）A a leaking fuel injection nozzleB a clogged air filterC early fuel injectionD burned valves
题目
a leaking fuel injection nozzle
a clogged air filter
early fuel injection
burned valves
参考答案和解析
相似问题和答案
第1题：
Low compression in a diesel engine could be caused by
A.worn or broken cylinder liner sealing rings
B.high cooling water temperature
C.worn or broken piston rings
D.low fuel oil pressure
第2题：
a leaking fuel injector nozzle
a clogged air filter
excessively early fuel injection
malfunctioning valves
第3题：
Diesel engine blow-by is the leakage of combustion gases past the( ).
A.oil rings only
B.compression and scraper rings
C.cylinder liner sealing
D.cylinder liner ring grooves
解析：scraper：刮刀;groove：槽
译文：柴油机漏气指的是燃气通过压缩环(气环)和刮油环泄漏。
第4题：
low compression pressure
increased piston wear
increased cylinder lube oil consumption
poor contact between compression rings and liner
第5题：
crankcase
piston
cylinder liner
crank cheek
第6题：
clogged coolant passages
a leaking cylinder head gasket
low fuel oil pressure
worn or broken cylinder liner sealing rings
第7题：
liquid in the cylinder
low compression in the cylinder
high exhaust temperature
poor fuel penetration
第8题：
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignition may be delayed because the
A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
第9题：
feel the high pressure fuel line
check the cylinder exhausts for white smoke frequently
check the cylinder exhaust temperature
isolate each cylinder and inspect the injector
第10题：
cold intake air
excessive compression pressure
excessive cylinder lubrication
a light load