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Cellular concrete is used for ______ insulation.

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Cellular concrete is used for ______ insulation.

(a) Thermal

(b) Chemical

(c) Sound

(d) Electrical

I got this question in an interview for internship.

This intriguing question originated from Properties of Insulation topic in chapter Magnetic & Insulating Materials of Engineering Material & Metallurgy

1 Answer

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Right answer is (c) Sound

Explanation: Cellular concrete is a sound insulation material used in the manufacturing stages. It is made by mixing water along with a combination of cement and powdered aluminum.

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