海船船员考试

单选题Which extinguishing agent is effective in combating an isoprene fire?（）A Dry chemicalsB CO2C FoamD All the above

题目
单选题
Which extinguishing agent is effective in combating an isoprene fire?（）
A

Dry chemicals

B

CO2

C

Foam

D

All the above

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相似问题和答案

第1题：

As an extinguishing agent, foam ______.

A.conducts electricity

B.should be directed at the base of the fire

C.is most efffective on buring gases which are flowing

D.extinguishes by cooling oil fires below ignition temperature


正确答案：A
对于灭火剂，泡沫灭火剂导电。

第2题：

Deep-fat cooking equipment shall be fitted with the following:（）

  • A、An automatic or manual fixed extinguishing system tested to an appropriate standardacceptable to the Organization
  • B、Controls for manual operation of the fire-extinguishing system which are clearlylabeled for ready use by the crew
  • C、Arrangements for automatically shutting off the electrical power upon activation of thefire-extinguishing system
  • D、an alarm for indicating operation of the fire-extinguishing system in the galley wherethe equipment is installed

正确答案:A,B,C,D

第3题：

One of the limitations of foam as an extinguishing agent is that foam ______.

A.cannot be made with salt water

B.is heavier than oil and sinks below its surface

C.is corrosive and a hazard to fire fighters

D.conducts electricity


正确答案：D
泡沫灭火剂的一个局限性是泡沫导电。

第4题：

单选题
For which of the listed classes of fire combinations would carbon dioxide be most suitable as the extinguishing agent （）.
A

Class A and class B

B

Class B and class C

C

Class A and class C

D

Class C, class D, and class E


正确答案： B
解析： 暂无解析

第5题：

单选题
On a bulk chemical carrier，water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the chemical called（）.
A

acrylic acid

B

benzene

C

oleum

D

vinyl toluene


正确答案： C
解析： 暂无解析

第6题：

Foam is a very effective smothering agent and ______.

A.it provides cooling as a secondary effect

B.works well on extinguishing electrical fires

C.can be used to combat combustible metal fires

D.All of the above


正确答案：A
泡沫是非常有效的窒息剂和它提供一般的冷却效果。

第7题：

单选题
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）
A

Alcohol foam

B

Dry chemical

C

Chemical foam

D

Water fog


正确答案： C
解析： 暂无解析

第8题：

An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is ______.

A.carbon dioxide

B.Halon 1301

C.dry chemical

D.water fog


正确答案：D
具有有效的冷却，稀释可燃性气体，移除氧气并提供热和烟的保护层的灭火剂是水雾。

第9题：

单选题
A class B fire is most successfully fought by（）.
A

preventing oxygen from reaching the burning material

B

cooling the burning material below its ignition temperature

C

using the extinguishing agent to make the burning material fire-resistant

D

using the extinguishing agent to absorb the heat


正确答案： C
解析： 暂无解析

第10题：

单选题
Water is a very effective fire extinguishing agent because it（）
A

will remove all the toxic fumes from the air

B

has the greatest cooling ability

C

will leave no harmful residue

D

completely removes combustible vapors from the air


正确答案： C
解析： 暂无解析

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