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A cabinet or space containing the controls or valves for the fixed firefighting system must be
A.posted with instructions on the operation of the system
B.ventilated and equipped with explosion-proof switches
C.painted with red and black diagonal stripes
D.equipped with a battery powered source of emergency lighting
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更多 “ A cabinet or space containing the controls or valves for the fixed firefighting system must beA.posted with instructions on the operation of the systemB.ventilated and equipped with explosion-proof switchesC.painted with red and black diagonal stripesD.equipped with a battery powered source of emergency lighting ” 相关考题
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单选题The bypass valve on a self-contained breathing device should be opened if（）.A
you are entering a space containing poisonous vaporsB
you are entering a space containing explosive gasesC
the regulator of the breathing apparatus malfunctionsD
the face piece of the breathing device is too tight
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stop valvesB
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单选题A fixed carbon dioxide extinguishing system for a machinery space，designed WITHOUT a stop valve in the line leading to the protected space，is actuated by（）.A
one controlB
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单选题On a ship，a cabinet or space containing the controls or valves for the fixed firefighting system must be（）.A
posted with instructions on the operation of the systemB
ventilated and equipped with explosion-proof switchesC
painted with red and black diagonal stripesD
equipped with a battery powered source of emergency lighting
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多选题On what conditions may an exemption certificate，exempting from the requirement to install a fixed fire extinguishing system in a cargo space，be issued？（）AThe ship is constructed and solely intended for carriage of ore， coal， grain， unseasoned timber， non-combustible cargoes or cargoes which according to the Administration constitute a low fire riskBSteel hatch covers and effective means of closing all ventilators and other openings to the cargo space are fittedCA fixed deck foam system is be fitted in lieu of the cargo space extinguishing systemDThe vessel is less than 10 000 gross tonnage
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单选题A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.A
posted with instructions on the operation of the systemB
ventilated and equipped with explosion-proof switchesC
painted with red and black diagonal stripesD
equipped with a battery powered source of emergency lighting
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open and individual tank valves openB
open and the individual tank valves closedC
closed and the individual tank valves closedD
closed and the individual tank valves open
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opened and burned material removedB
left closed with vents off until all boundaries are coolC
checked for oxygen contentD
doused with water to prevent reflash
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单选题The supply of carbon dioxide used in the fixed extinguishing system aboard a cargo vessel MUST be at least sufficient for（）.A
all the spaces of a vesselB
all cargo spacesC
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单选题Control valves of a CO2 system may be located within the protected space when（）.A
it is impractical to locate them outsideB
there is also a control valve outsideC
the CO2 cylinders are also in the spaceD
an automatic heat-sensing trip is installed
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单选题While on watch in the engine room, you hear a continuous sounding of the general alarmWhich of the following actions should you take FIRST?（）A
Secure the burners then proceed to your assigned boat stationB
Start the fire pump and establish flow to the fire mainC
Open the guardian valve and standby to maneuverD
Open the master control valves on the fixed CO2 system
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