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Thermal insulation of hollow clay blocks is good because of ____________

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Thermal insulation of hollow clay blocks is good because of ____________

(a) Air within the cells of blocks

(b) Air outside the cells of blocks

(c) Resistance to water

(d) Resistance to air

This question was posed to me in an online interview.

My doubt is from Composite Masonry in chapter Composite Masonry of Construction & Building Materials

1 Answer

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Best answer
The correct choice is (a) Air within the cells of blocks

The best explanation: Hollow clay blocks are fireproof and thermally insulated. The reason behind their good thermal insulation is the presence of a huge amount of air within the cells of these blocks.

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