海船船员考试
单选题A diesel engine may be hard to start if the （）A air intake is restrictedB engine is cranked too fastC vibration dampener is faultyD exhaust back pressure is low
题目
air intake is restricted
engine is cranked too fast
vibration dampener is faulty
exhaust back pressure is low
相似问题和答案
第1题：
cylinders
exhaust valves
pistons
fuel valves
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 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4题：
fuel lines
lube oil filter
crank case pump
rocker arm reservoir
第5题：
a worn cylinder
broken piston rings
any of A and B
none of the above
第6题：
electrical overload
surging at governed RPM
loose engine mounting bolts
coolant leaking into the cylinder
第7题：
low air charge temperature
high cranking speed
excessive fuel dilution of lube oil
high compression pressure
第8题：
water in the fuel
cold lube oil
excessive starting air pressure
excessive fuel pressure
第9题：
turn engine with jacking gear
drain filters and strainers and bleed off water at each injection pump
use ether to start the engine with blow-down valves open
blow through the cylinders and fuel lines with a drying agent
第10题：
increase thermal efficiency
cause clogging of the fuel system
increase the ability of the engine to start in cold weather
produce corrosion in the cylinder and exhaust system at low loads