BUILDING MATERIALS - Quiz

1) Which rocks have clay as its base component?

Argillaceous Calcareous Silicious Steatified

2) Which rocks show district signs of layers and can be split easily in to layers?

Argillaceous Unsteatified Stratified Igneous

3) What is the percentage of clay in a good brick earth?

20 to 30 10 to 20 35 to 50 20 to 30

4) What is the standard size of bricks as per Indian standards ?

20x10x10cm 22.8x11.4x7.6cm 20x9x9cm 19x9x9cm

5) What is the weight of an ordinary brick?

3.2 kg 3.5 kg 3.8 kg 2.8 kg