海船船员考试
单选题Worn diesel engine intake valve guides can result in （）A increased engine breathing efficiencyB excessive valve lashC excessive lube oil consumptionD lower than normal fuel consumption
题目
increased engine breathing efficiency
excessive valve lash
excessive lube oil consumption
lower than normal fuel consumption
相似问题和答案
第1题：
decreased compression pressure
increased lube oil pressure
lower lube oil temperature
excessive leakage past the piston rings
第2题：
a low level in the engine expansion tank
excessively high coolant pressure
improper temperatures
malfunctioning of the jacket water heater
第3题：
A Kort nozzle is a(n) ______.
A.hollow tube surrounding the propeller used to improve thrust
B.nozzle attached to a firefighting hose
C.intake valve on a diesel engine
D.piston cylinder on a diesel engine
Kortnozzle（科特导流管）是中间空心的，在螺旋桨周围的用来提高侧推力的导流管。
第4题：
late ignition
water in the fuel
high compression temperature
starting valve stuck open
第5题：
cold intake air
excessive compression pressure
excessive cylinder lubrication
a light load
第6题：
Worn intake valve guides
Pitted pre-combustion chambers
Loose valve tappets
High exhaust back pressure
第7题：
high compression pressure
low intake air temperature
low exhaust pressure
high scavenge air temperature
第8题：
a leaking seal ring
heat transfer from exhaust valves
restricted cooling passages
overheated intake valves
第9题：
excessively late injection timing for each cylinder
incorrectly adjusted intake valve timing
incorrectly adjusted fuel injector
incorrectly adjusted intake valve clearance
第10题：
a worn cylinder
broken piston rings
any of A and B
none of the above