Gypsum consists of______________?

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Which of the following trees yields hard wood ?

A. deodar B. chir C. shishum D. pine...

The initial setting time for ordinary Portland cement as per IS specifications should not be less than_____________?

A. 10 minutes B. 30 minutes C. 60 minutes D. 600 minutes...

The most common admixture which is used to accelerate the initial set of concrete is______________?

A. gypsum B. calcium chloride C. calcium carbonate D. none of the above...

The function of cleats in a roof truss is______________?

A. to support the common rafter B. to support purlins C. to prevent the purlins from tilting D. all of the above...

The type of footing which is used to transmit heavy loads through steel columns is_______________?

A. raft foundation B. grillage foundation C. well foundation D. isolated footing...