A good refractory brick should withstand high temperature. It should also have low coefficient of expansion and contraction.

The indentation marks left on bricks during the process of moulding, are known as

The shrinkage of ordinary concrete is about

Laterite is chemically classified as

Linseed oil is rapidly soluble in

The defect caused due to over-maturity and unventilated storage of the wood during its transit, is called

The strength of cement concrete increases with

A fine-grained granite

Quick lime on reaction with water gives