The vehicle used in case of enamel paints is usually

Pick up the correct statement from the following:

Excess of silica in brick earth results in

The portion of a brick cut to form angles other than right angles in plan, is known as

Percentage content of silica in window glass, is

Lime concrete is generally used for

Pick up the compound responsible for early strength of cement from the following:

Crushing strength of a good building stone should be more than

For construction of structures under water, the type of lime used, is