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单选题
If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?（）
A
Fixed CO2,semi-portable CO2, then hand portable CO2
B
Semi-portable CO2, fixedCO2, then hand portable CO2
C
Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D
Hand portable, fixed CO2, then as a last resort the semi-portable CO2
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更多 “单选题If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?（）A Fixed CO2,semi-portable CO2, then hand portable CO2B Semi-portable CO2, fixedCO2, then hand portable CO2C Hand portable, semi-portable CO2, then as a last resort the fixed CO2 systemD Hand portable, fixed CO2, then as a last resort the semi-portable CO2” 相关考题
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单选题When reentering an engine room that has been flooded with CO2, the investigating team should initially（）.A
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单选题Before using a fixed CO2 system to fight an engine room fire，you must（）.A
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单选题A fuel line breaks, sprays fuel on the hot exhaust manifold, and catches fire. Your first action should be to（）.A
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单选题The first the Second Mate knew of the fire was the sounding of the emergency alarm，which had been（）from the engine room.A
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单选题Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）A
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put on lifejackets and go to their abandon ship stationsD
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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Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）A
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单选题While working in the engine room, you hear seven short blasts followed by one long blast on the ships whistle, supplemented by the same signal on the general alarm bellsYou should （）.A
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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In order to release CO2 to the machinery spaces from a fixed fire extinguishing system, you must（）.A
actuate an alarm and open the engine room control valveB
actuate an alarm and open the engine room CO2 releasing valveC
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考题
单选题When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）A
Secure all engine room doors，hatches，and ventsB
Close the fuel line valveC
Check the spread of the fire with foamD
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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
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考题
单选题In my opinion,the manner is（）that the duty engineer reported the small fire in engine room.A
reluctantB
positiveC
possibleD
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单选题Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）A
Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiationB
Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gasC
Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gasD
This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless gas
考题
单选题Engine room is（）fire.A
onB
inC
atD
out
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