A 1^st class brick immersed in water for 24 hours, should not absorb water (by weight) more than

Pick up the correct statement from the following:

The basic purpose of a retarder in concrete is

Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good b…

Pick up the correct statement from the following:

Permanent magnets are made of high carbon steel and

Plastic asphalt is

The stretcher bond in brick masonry can be used only when the thickness of wall is

Assertion A : Normally turpentine oil is recommended as thinner for indoor painting.<br>Reason R : Turpentine oil …