The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:

Rapid hardening cement attains early strength due to

Pick up the correct statement from the following:

Pick up the correct statement from the following:

A good brick earth should contain:

For the manufacture of plywood, veneers are placed so that grains of adjacent veneers

Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning…

Hydraulic lime is obtained by

Knots in timber are