A.lack of toxicity
B.the multipurpose extinguishing ability
C.burn-back protection
D.cooling ability
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A.put back in service if more than 50% of the charge remains
B.repainted
C.discarded
D.recharged
A.put back in service if some C02 remains
B.hydrostatically tested
C.retagged
D.recharged
A.kept in nonmetal containers
B.discarded as soon as possible
C.cleaned thoroughly for reuse
D.kept in the paint locker
A.using a 2-1/2 inch hose
B.there is an outlet for the smoke and heat
C.the fire is totally contained by the ship's structure
D.at least two fog streams can be used
A.fire hose might be damaged by cargo operations
B.vessel is in port
C.fire-main system is not charged
D.fire pumps are used for purposes other than supplying water to the fire main
最新試題
The blocking or absence of fire dampers can cause（）.
Prior to getting underway，the Master or person in charge of a ship must（）.
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（）.
The canvas covering of fire hose is called the（）.
One of the limitations of foam as an extinguishing agent is that foam（）.
Shipping society approved buoyant work vests are considered to be items of safety equipment and may be worn by members of the crew（）.
The bilge pump on a fishing vessel（）.
One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.
The disadvantage of using CO2 is that the（）.
Portable foam type fire extinguishers are most effective on（）.