GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Terylene
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Nylon
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Rayon
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Orlon
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Detailed explanation-1: -Answers. Powder type extinguisher is used for petroleum fire as petroleum is combustible.
Detailed explanation-2: -Class B. Class B fires involve flammable and combustible liquids such as gasoline, alcohol, oil-based paints, lacquers. Therefore, extinguishers with a B rating are designed to extinguish fires involving flammable and combustible liquids.
Detailed explanation-3: -Foam (Cream) Foam extinguishers are also used on class B fires. These are fires involving liquids, like petrol and paints.
Detailed explanation-4: -There are four classes of fire extinguishers – A, B, C and D – and each class can put out a different type of fire. Class A extinguishers will put out fires in ordinary combustibles including wood, cloth, rubber, paper, as well as many plastic materials.