海船船员考试
单选题Portable foam type fire extinguishers are most effective on（）.A mattress firesB oil firesC wood firesD All of the above
题目
mattress fires
oil fires
wood fires
All of the above
相似问题和答案
第1题：
The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is ______.
A.one A-I
B.one B-I
C.one C-I
D.none required
第2题：
A foam-type portable fire extinguisher would be most useful in combating a fire in ______.
A.solid materials such as wood or bales of fiber
B.flammable liquids
C.a piece of electrical equipment
D.combustible metallic solid
便携式泡沫灭火器对扑灭可燃液体着火最有效。
第3题：
The most effective way to apply a foam stream if the fire is on deck or is a runing fire, is to direct the stream ______.
A.onto the surface of the burning liquid
B.ahead of the burning liquid and bounce it on the fire
C.at the base of the burning liquid in a sweeping motion
D.just above the surface of the burning liquid
最有效的泡沫流应用在甲板上的火或者流动火，是直接放到液体前面和跳回到液体表面。
第4题：
Carry （）（手提灭火器）to the fire place.
- A、extinguishers
- B、portable extinguishers
- C、dry foam extinguishers
- D、CO2 extinguishers
正确答案:B
第5题：
All portable fire extinguishers must be capable of being ______.
A.carried by hand to a fire
B.carried or rolled to a fire
C.recharged in the field
D.used on class “B” fire
所有便携式灭火器必须能够被用手携带到火灾（现场）。
第6题：
A foam-type portable fire extinguisher is most useful in fighting a fire in ______.
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
便携式泡沫灭火器对扑灭油桶着火最有效。
第7题：
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in ______.
A.generators
B.oil drums
C.the bridge controls
D.combustible metals
便携式泡沫储备气压式灭火器最适宜扑灭油桶火。
第8题：
Which of the listed fire extinguishers cannot be easily recharged aboard ship?
A.Soda acid
B.Carbon dioxide
C.Dry chemical
D.cartridge-operated Foam
第9题：
Foam-type portable fire extinguishers are most useful in combating fires involving ______.
A.solid materials such as wood or bales of fiber
B.inflammable liquids
C.electrical equipment
D.metallic solids
泡沫型便携式灭火器对于陷于易燃性液体火灾的扑灭最有效。
第10题：
turning it upside down
pressing the foam lever
squeezing the grip handle
opening the hose valve