A.meet
B.face
C.be in font of
D.follow
您可能感興趣的試卷
你可能感興趣的試題
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
A ship must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement，you may use（）.
An extinguishing agent which effectively cools，dilutes combustible vapors，removes oxygen，and provides a heat and smoke screen is（）.
A small fuel spillage has occurred during helicopter refueling. After the leak has been stopped and fire-control personnel have been notified and are standing by，the next step is to（）.
A galley grease fire on the stove may be extinguished using（）.
A ship helicopter landing deck on which fueling operations are conducted must have a fire protection system that is capable of discharging at 100 psi pressure a foam spray of at least（）.
According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）
Any ship damaging a pipe could（）an immediate danger of fire.
After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）.
A marine chemist issues gas free certificates and is certified by the（）.
Any extinguishing agent used on a Class C fire must have which important property?（）