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 bilge pump on a fishing vessel（）.
On a ship，when may a work vest be substituted for a required life preserver?（）
Prior to getting underway，the Master or person in charge of a ship must（）.
The disadvantage of using CO2 is that the（）.
The canvas covering of fire hose is called the（）.
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.
Radiation spreads a fire by（）.
Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.
The best method of extinguishing a class A fire is to（）.
On a ship，watertight doors should be operated（）.