海船船员考试
单选题The possibility of damage from operating a diesel engine at critical speeds is reduced by the use of（）.A an isochronous governorB elastic engine mountsC a vibration damperD a cast iron bed plate with good flexible qualities
题目
an isochronous governor
elastic engine mounts
a vibration damper
a cast iron bed plate with good flexible qualities
相似问题和答案
第1题：
damage to strainers
over-speeding of the engine
excessive cooling of the engine
injector damage
第2题：
exhaust gas pressure
exhaust gas temperature
speed
load
第3题：
A smoking exhaust from an operating diesel engine could be caused by( ).
A.low sulfur content in the fuel
B.a loose injector inlet connection
C.late fuel injection
D.high injection pressure
解析：sulfur/sulphur：硫;content：内容，含量
译文：运行中的柴油机冒黑烟，可能的原因是燃油喷射滞后。
第4题：
Decreased connecting rod bearing clearance
Increased connecting rod bearing clearance
Decreased compression ratio
Increased compression ratio
第5题：
water in the fuel
insufficient fuel for combustion
clogged air intake passages
burning lubricating oil
第6题：
Impeller
Compressor
After-cooler
Exhaust differ
第7题：
require no lubrication under normal operating conditions
compensate for gross misalignment in the drive train
are able to transmit high torque ,even where slight misalignment exists
will rapidly disconnect the engine from the line shaft
第8题：
In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve?
A.Noise coming from that air starting valve
B.Continuous operation of the starting air compressor
C.Zero air pressure in the air starting system
D.Overheated starting air pipe to the cylinder head
第9题：
a cracked liner
burning lube oil
an overloaded engine
insufficient combustion air
第10题：
Overspeed trip
Air inlet shut-off valve
Water injector
Fuel cutoff valve