海船船员考试
单选题Diesel engine exhaust temperatures may be used to indicate （）.A leaking exhaust valvesB an overloaded cylinderC a clogged injector nozzleD all of the above
题目
leaking exhaust valves
an overloaded cylinder
a clogged injector nozzle
all of the above
参考答案和解析
相似问题和答案
第1题：
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.
A.large conical springs
B.compressed air pressure
C.hydraulic pressure
D.exhaust gas pressure
第2题：
cylinders
exhaust valves
pistons
fuel valves
第3题：
Overspeed of the diesel engine driving an electric generator could cause ______.
A.low voltage trip
B.reverse power trip
C.damage to windings
D.excessive exhaust temperatures
柴油机超速驱动一发电机可能引起对卷损坏。
第4题：
over-speeding of the engine
failure of the engine to shut down
no effect of engine mounting bolts
high exhaust temperatures
第5题：
a cracked liner
burning lube oil
an overloaded engine
insufficient combustion air
第6题：
A bypass line provided around a waste heat auxiliary boiler in a diesel engine exhaust system, may be used to avoid boiler ______.
A.corrosion at low engine loads
B.erosion at high engine loads
C.overload at high engine loads
D.scaling at all exhaust temperatures
第7题：
to be kept
logged
changed
has remained
第8题：
High firing pressures and low exhaust temperature in a diesel engine may resultfrom( ).
A.decreased piston to cylinder head clearance
B.increased exhaust system back pressure
C.early fuel injection timing
D.low scavenge air temperature
解析：decrease：减少;clearance：间隙
译文：喷油定时过早会引起柴油机爆炸压力偏高、排温偏低。
第9题：
performance
horsepower output
fuel consumption
scavenge effect
第10题：
carbon buildup in the exhaust manifold
overcooling of the exhaust manifold
eroded muffler baffle plates
high injection pressure