A.conducts electricity B.should be directed at the base of the fire C.is most effective on burning gases which are flowing D.extinguishes by cooling oil fires below ignition temperature
A.Cleaner B.Effective on metal fires C.Greater range D.More cooling effect
A.carried by hand to a fire B.carried or rolled to a fire C.recharged in the field D.used on class 'B' fires
A.stop the ventilation B.sound the general alarm C.determine the source of the fire D.attempt to extinguish the fire
A.carbon dioxide B.Halon 1301 C.dry chemical D.water fog
A.Begin fighting the fire immediately B.Await further orders from the Master C.Let go the lines to let the vessel drift to an anchorage D.Send a person to summon the shore authorities
A.electricity B.fuel C.oxygen D.heat
A.gravity when the extinguisher is turned upside down B.pressure from a small CO2 cartridge on the extinguisher C.air pressure from the hand pump attached to the extinguisher D.pressure from the reaction when water is mixed with the chemical
A.any wire rope used for mooring B.a fire-warp C.a mooring line running diagonally to the keel D.a mooring line perpendicular to the keel
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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