A.meet
B.face
C.be in font of
D.follow
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A.meet the applicable standards
B.be marked as additional equipment
C.be stowed in a separate area
D.All of the above
A.Cooling ability
B.Leaves no residue
C.Penetrating power
D.Nonconductivity
A.prevent the generation of flammable or combustible gas in tanks
B.blow out cargo lines to prevent gas concentrations
C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit
D.prevent fires in the pumproom by continually displacing flammable vapors
A.eliminating sparks and fire in the vicinity of cargo tanks
B.removing all hydrocarbon gases from the cargo tanks
C.blanketing cargo tanks with inert foam
D.reducing the oxygen concentration below levels necessary for combustion
A.stop ventilation
B.stop the vessel
C.de-energize the circuit
D.apply water to extinguish the fire
最新試題
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
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As compared to carbon dioxide，dry chemical has which advantage?（）.
A portable dry chemical fire extinguisher discharges by（）.
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An engine compartment gasoline fire requires which type of extinguisher?（）.
All of the following are part of the fire triangle EXCEPT（）.
A vessel is constructed with a steel hull and an aluminum superstructure. Which statement is TRUE?（）
At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）