BUILDING MATERIALS - Practice Mode

1) Which rocks have clay as its base component?
Correct Answer: Argillaceous
2) Which rocks show district signs of layers and can be split easily in to layers?
Correct Answer: Stratified
3) What is the percentage of clay in a good brick earth?
Correct Answer: 20 to 30
4) What is the standard size of bricks as per Indian standards ?
Correct Answer: 19x9x9cm
5) What is the weight of an ordinary brick?
Correct Answer: 3.2 kg
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