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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 valve
B
root valve
C
quick closing valve
D
oil return valve
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You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?A.Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB.Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC.Approach the vessel with caution because she is dragging her anchorD.Proceed on present course and speed since the vessel is requesting a tug
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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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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
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Evacuate all personnel.B
Notify staff of the potential service outage.C
Use fire suppression techniques until the fire department arrives.D
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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
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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
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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A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the （）A
high cost of fuelB
serious fire hazardC
possibility of pollutionD
poor combustion which will occur in that cylinder
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
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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
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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
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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
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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
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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If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.A
notify the engineer on watchB
isolate and secure the pipingC
throw sand on the fireD
extinguish the fire using a combination nozzle with applicator
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You are approaching another vessel and see that she has the signal flag “J” hoisted. What should you do?（）A
Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargoB
Attempt to call the vessel on VHF radiotelephone because she is requesting to communicateC
Approach the vessel with caution because she is dragging her anchorD
Proceed on present course and speed since the vessel is requesting a tug
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Which of the following statements is true concerning Halon 1301 fire extinguishing equipment?（）A
The agent is considered nontoxic at room temperature in low concentrationsB
The agent is less effective than carbon dioxideC
Halon primarily extinguishes the fire by coolingD
The agent cannot be used on electrical fires because it leaves a residue
考题
单选题It could be dangerous because the leaking gas might easily penetrate the building.A
overlapB
retreat fromC
spread throughD
reach
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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