The most commonly used retarder in cement is

Second class bricks

Priming consists of

A first class brick when immersed in cold water for 24 hours should not absorb water more than

Compared to mild steel, cast iron has<br> (i) High compressive strength<br> (ii) High tensile strength<br…

The most important tool in brick laying for lifting and spreading mortar and for forming joints is

Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum,…

Rocks formed due to alteration of original structure due to heat and excessive pressure are called

Stones used for the construction of retaining walls must be