The best method of extinguishing a class A fire is to().

题目
单选题
The best method of extinguishing a class A fire is to().
A

remove oxygen from the area

B

cool fuel below ignition temperature

C

smother with CO2

D

smother fire with foam

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相似问题和答案

第1题:

Halogenated hydrocarbon, Halon in short form,is used on board ship as ________ .

A.fire-extinguishing medium

B.a standard fire test

C.a non-combustible material

D.a fire main


正确答案:A

第2题:

Fighting a fire in the galley poses the additional threat of ______.

A.contaminating food with extinguishing agent

B.spreading through the engineering space

C.loss of stability

D.a grease fire in the ventilation system


正确答案:D
在厨房灭火,可能会对通风系统中的残油起火形成额外的威胁。[733

第3题:

The BEST method of applying foam to a fire is to ______.

A.spray directly on the base of the fire

B.flow the foam down a nearby vertical surface

C.sweep the fire with the foam

D.spray directly on the surface of the fire


正确答案:B
运用泡沫灭火器最好的方法是通过垂直表面流过去。

第4题:

Which methods from the String and StringBuffer classes modify the object on which they are called?()  

  • A、The charAt() method of the String class.
  • B、The toUpperCase() method of the String class.
  • C、The replace() method of the String class.
  • D、The reverse() method of the StringBuffer class.
  • E、The length() method of the StringBuffer class.

正确答案:D

第5题:

SWITCH ON FIRE-EXTINGUISHING SYSTEM.的意思是:开启灭火系统。


正确答案:正确

第6题:

A galley grease fire on the stove may be extinguished using______.

A.water

B.foam

C.the range hood extinguishing system

D.fire dampers


正确答案:C
发生在炉上的厨房油火可使用有作用距离的灭火系统扑灭。

第7题:

Generally, the first action in extinguishing an LFG fire caused by escaping gas is to ______.

A.sweep flames away with water spray

B.shut off the leak

C.use a chemical foam fire extinguisher

D.call the local fire department


正确答案:B
一般来说,在灭因气体泄漏而引起的火灾中,首先要关闭泄漏处。

第8题:

The class of fire on which a blanketing effect is essential to extinguish the fire is

A.Class 'A'

B.Class 'B'

C.Class 'C'

D.Class 'D'


正确答案:B

第9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10题:

单选题
Fighting a fire in the galley poses the additional threat of().
A

contaminating food with extinguishing agent

B

spreading through the engineering space

C

loss of stability

D

a grease fire in the ventilation system


正确答案: C
解析: 暂无解析

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