题目内容（请给出正确答案）

[单选题]

On a class "B" fire which portable fire extinguisher would be the LEAST desirable?()

A.Carbon dioxide

B.Water (stored pressure)

C.Dry chemical

D.Foam

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更多“On a class "B" fire which port…”相关的问题

第1题

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

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'

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第2题

On a tank vessel, which of the following substances would be burning in a class "B" fire？A

On a tank vessel, which of the following substances would be burning in a class "B" fire？

A.Oil

B.Wood

C.Rags

D.Electrical wiring

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第3题

A fire involving aluminum powder would be a class _____.A."A" fireB."B" fireC."C" fireD."D

A fire involving aluminum powder would be a class _____.

A."A" fire

B."B" fire

C."C" fire

D."D" fire

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第4题

If ignited，which material would be a class B fire（）

A.Magnesium

B.Paper

C.Wood

D.Diesel Oil

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第5题

If ignited, which of the listed materials would be a class "B" fire？A.MagnesiumB.PaperC.Wo

If ignited, which of the listed materials would be a class "B" fire？

A.Magnesium

B.Paper

C.Wood

D.Diesel Oil

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第6题

When choosing extinguishers to fight a Class "B" fire do NOT use ().

A.carbon dioxide

B.dry chemical

C.foam (stored-pressure type)

D.Water (cartridge-operated)

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第7题

A class "B" fire would most likely occur in the _____.A.main switchboardB.engine room bilg

A class "B" fire would most likely occur in the _____.

A.main switchboard

B.engine room bilge

C.breathing compartment

D.electric fresh water transfer pump

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第8题

A class "D" fire would be considered as burning _____.A.woodB.oilC.electrical equipmentD.m

A class "D" fire would be considered as burning _____.

A.wood

B.oil

C.electrical equipment

D.magnesium

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第9题

Which of the listed burning materials would be described as a class "B" fire？A.AcetyleneB.

Which of the listed burning materials would be described as a class "B" fire？

A.Acetylene

B.Lube oil

C.Grease

D.All of the above

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第10题

A burning AC motor would be considered what class of fire？A.Class "A"B.Class "B"C.Class "C

A burning AC motor would be considered what class of fire？

A.Class "A"

B.Class "B"

C.Class "C"

D.Class "D"

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