海船船员考试
单选题Which action should be taken when an auxiliary boiler in is operation?（）A Clean all electrical connectionsB Lift the relief valves by handC Inspect and clean all solenoid valvesD Inspect for oil and water leaks
题目
Clean all electrical connections
Lift the relief valves by hand
Inspect and clean all solenoid valves
Inspect for oil and water leaks
相似问题和答案
第1题：
The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to______.
A.precipitate(使沉淀) silica （硅石）from solution
B.reduce corrosion in the heating coil
C.prevent clogging and erosion in the coil
D.maintain zero water hardness
第2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：
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5题：
cold fuel oil
low fuel oil pressure
low atomizing steam pressure
water in the fuel oil
第6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7题：
You are testing the external inflation bladder on an immersion suit and find it has a very slow leak．Which action should be taken ________．
A.Replace the suit
B.Replace the inflation bladder
C.Take it out of service and repair in accordance with the manufacturers instructions
D.Some leakage should be expected and a topping off tube is provided; no other action is necessary
第8题：
The water in an auxiliary boiler should be tested for chloride content to determine ( ).
A.total dissolved solids
B.salt contamination
C.water harcness
D.chlorine contamination
解析：chloride:氯
译文：应对辅助锅炉的炉水进行含氯量化验，以判断其是否被海水污染。
第9题：
The hose should not be twisted
The hose should be protected with a sleeve if it is subjected to rubbing
There should be some slack in the hose
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 hand-hole/manhole covers should be tightened up as much as possible to preclude any leaks
All of the above