A.water-tight
B.air-tight
C.fire-tight
D.oil-tight
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A.should
B.shall
C.that
D.if
A.casing
B.outer hose
C.line cover
D.jacket
A.refractory
B.the screen wall
C.the water wall
D.fire plate
A.the accumulation of explosive gases
B.faster cooling of the fire
C.the fire to spread through the ventilation system
D.fixed foam systems to be ineffective
A.must be fixed if the vessel exceeds 12 meters in length
B.may be used as a fire pump
C.must be portable if there are more than 4 watertight compartments
D.must be capable of pumping at least 450 gpm
最新試題
One of the limitations of foam as an extinguishing agent is that foam（）.
The discharge side of every fire pump must be equipped with a（）.
The brickwork surrounding the firebox of a boiler is known as（）.
Once a vessel has loaded packaged hazardous cargo，the cargo spaces shall be inspected. The spaces shall also be inspected at least once in every 24 hours. The only exception to daily inspection is when（）.
One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.
Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
Lifesaving regulations require that a fire drill include（）.
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.
The bilge pump on a fishing vessel（）.
Operation of the valve control release on a fixed CO2 system must immediately（）.