海船船员考试
单选题When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?（）A cold fuel oilB low fuel oil pressureC low atomizing steam pressureD water in the fuel oil
题目
cold fuel oil
low fuel oil pressure
low atomizing steam pressure
water in the fuel oil
相似问题和答案
第1题：
A firebox explosion in an automatically fired auxiliary boiler may be the result of ______.
A.excessive purging before lighting off
B.insufficient trail for ignition period
C.a faulty transformer in the ignition circuit
D.insufficient purging before lighting off
第2题：
the emergency lighting system for muster and abandon ship
air/oil emergency shut-down
M-Eemergency operation
main/auxiliary steering gear changing
第3题：
The correct procedure for giving an auxiliary boiler a bottom blow, is to begin .
A.when the boiler has been secured long enough for most solids to settle
B.when the boiler has been cooled to ambient temperature
C.only after raising the water level to within 0.5 inch of the high water cutout only
D.after bypassing the low pressure
第4题：
relight the boiler immediately to prevent loss of steam pressure
relight the fire off the brickwork as the bricks are cherry red
purge the furnace of any combustible gases before attempting to relight the fire
speed up the feed pump to prevent dry firing when the burner flame is reestablished
第5题：
relieve excess fuel oil pressure during the “off” fire cycle
admit water to the dry pipe
throttle the forced draft fan output for proper combustion
reduce excess steam pressure in the boiler
第6题：
Which statement about the inert gas system is TRUE ________．
A.Boiler soot blowers should never be used when the IG system is operating
B.The boiler will produce the best quality of flue gas for the IG system when the boiler load is very light
C.The boiler will produce the most quantity of flue gas for the IG system when the boiler load is very light
D.Flue gas with excessive oxygen content is de-oxygenated in the scrubber
第7题：
will be modulated in proportion
will be modulated in proportion and integral
will be modulated in proportion and differential
will not be modulated at all
第8题：
When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.
A.increase the fuel oil temperature
B.decrease the fuel oil temperature
C.decrease the fuel oil supply pressure
D.increase the air supply
第9题：
The safety valve escape piping should be disconnected from the valve body and a blank inserted
The boiler vent valves should be opened
All hand-hole/manhole covers should be tightened up as much as possible to preclude any leaks
All of the above
第10题：
The safety valve escape piping should be disconnected from the valve body and a blank inserted
The boiler vent valves should be opened
All handhole/manhole covers should be tightened up as much as possible to preclude any leaks
All of the above