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单选题
If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.
A
notify the engineer on watch
B
isolate and secure the piping
C
throw sand on the fire
D
extinguish the fire using a combination nozzle with applicator
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what chemicals did you use to treat the boiler water ?when you test alkalinity and acidity of water in boiler by pH test paper ? the result shows the boiler water is in acidiity . please describe what the possible cause is .
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The brickwork surrounding the firebox of a boiler is known as ______．A.RefractoryB.The screen wallC.The water wallD.Fire plate
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Before using a fixed CO2 system to fight an engine room fire, you must ______.A.secure the engine room ventilationB.secure the machinery in the engine roomC.evacuate all engine room personnelD.All of the above
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According to this passage, which of the following statements is true?A.In boiler and machinery spaces, there is the air conditioning.B.In the boiler rooms the requirement of air volume should meet 25-50% of combustion requirement.C.To maintain the comfort zone in the separate control room the air conditioning plant should be fitted.D.The comfort conditions can be maintained in the engine room all the time.
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A datacenter manager would like to ensure that all fire suppression in the datacenter is safe for the equipment in the room. Which of the following classifications should be listed on the fire suppression system？（）A、AB、BC、CD、D
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The server room that an administrator manages has just caught fire. Which of the following is the FIRST thing that the administrator should do？（）A、 Evacuate all personnel.B、 Notify staff of the potential service outage.C、 Use fire suppression techniques until the fire department arrives.D、 Grab the backup tapes and exit the server room.
考题
单选题Before using a fixed CO2 system to fight an engine room fire，you must（）.A
secure the engine room ventilationB
secure the machinery in the engine roomC
evacuate all engine room personnelD
All of the above
考题
单选题The server room that an administrator manages has just caught fire. Which of the following is the FIRST thing that the administrator should do？（）A
Evacuate all personnel.B
Notify staff of the potential service outage.C
Use fire suppression techniques until the fire department arrives.D
Grab the backup tapes and exit the server room.
考题
单选题When a sudden increase in steam demand occurs from the boiler, the water level in the drum at the higher pressure will（）A
rise quicklyB
rise slowlyC
drop quicklyD
drop slowly
考题
单选题The purpose of the safety relief valves installed on an auxiliary boiler is to （）.A
relieve excess fuel oil pressure during the “off” fire cycleB
admit water to the dry pipeC
throttle the forced draft fan output for proper combustionD
reduce excess steam pressure in the boiler
考题
单选题If a fire ignites in the engine room as a result of a high pressure fuel oil leak, you should FIRST （）.A
secure the ventilationB
find a soda acid extinguisherC
shut off the fuel oil supplyD
secure the generator
考题
单选题Which of the following statements concerning the water tube and fire tube boilers is not true?（）A
natural circulation of the water in the water tube boiler is better than that in the fire tube boilerB
for the same output the water tube boiler will carry less mass of water compared with the fire tube boilerC
the water tube boiler will cost shorter time for steam raisingD
the water tube boiler require lower skill in operating and maintaining
考题
单选题Waterside scale in a fire-tube boiler may cause （）.A
increased heat transferB
fireside erosionC
high steam demandD
overheated tubes
考题
单选题Improper maintenance of an automatic auxiliary boiler oil burner could result in （）.A
fuel pump failureB
fan motor failureC
increased feedwater consumptionD
decreased boiler efficiency
考题
单选题A distorted furnace in a fire-tube auxiliary boiler may be the result of （）A
firing for extended periods in the low fire modeB
overheating, due to waterside depositsC
varying the water level above the crown sheetD
carrying excessive alkalinity in the boiler water
考题
单选题To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.A
replace the gasket in the male couplingB
reduce fire pump pressureC
replace the gasket in the female couplingD
rethread the male coupling
考题
单选题The donkey boiler may be given a bottom blow （）A
to raise water levelB
only while making steamC
to remove scumD
when fire are secured
考题
单选题An example of class "A" fire is a/an （）.A
electrical fire in the engine roomB
oil fire in the engine room bilgesC
oil fire involving a grade A petroleum productD
mattress fire in a stateroom
考题
单选题Diesel engine waste heat boiler construction is usually of the fire-tube or（）A
cyclone furnace boiler typeB
dry back boiler typeC
water-tube typeD
critical circulation boiler type
考题
单选题Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）A
The fire pump should be startedB
The boiler rims should be securedC
The fixed CO2 system should be initiated into actionD
The engine room ventilation should be secured
考题
单选题If a fire occurs in the boiler room because of a leaking fuel line to a burner, you shut off the fuel using the（）A
burner valveB
root valveC
quick closing valveD
oil return valve
考题
单选题Your vessel is equipped with a fixed C02 system and a fire main system. In the event of an electrical fire in the engine room what is the correct procedure for fighting the fire?（）.A
Use the C02 system and evacuate the engine roomB
Use the fire main system and evacuate the engine roomC
Evacuate the engine room and use the C02 systemD
Evacuate the engine room and use the fire main system
考题
单选题Which one of the following is not generally recognized as one constitute of bilge water?（）A
Oil leaking from tanks inside engine roomB
Engine room cleaning waterC
Water leaking from the separator sludge tankD
Sewage
考题
单选题The FIRST step to take in fighting an engine room fire resulting from a ruptured fuel oil service line, is to （）.A
evacuate all engine room personnelB
fight the fire with hand portable extinguishersC
activate the mainCO2 bankD
stop the flow of leaking fuel oil
考题
单选题（） should be tested and adjusted when the boiler survey is carried out.A
The boiler oil tankB
The steam pipeC
The fire sideD
The safety valves
考题
单选题When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）A
Blanket the cargo spill with foamB
Prevent the spread of fire with a foam damC
Apply CO2 on burning fuel at its sourceD
Shut off the transfer of cargo
考题
单选题Engine room is（）fire.A
onB
inC
atD
out
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