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Building Materials

Q1: Which one of the following is an air binding material ?

A Gypsum

B Acid-resistant cement

C Quick lime

D All of these.

ANS:D - All of these.

They are air-hardening binding materials such as building gypsum and lime, cement concrete, building mortar, wall and roof materials, construction steel, wood, waterproof materials such as asphalt, building plastic, heat-insulating and sound absorbing materials, and finishing materials.



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