Consider the following differences between Fly Ash bricks and Clay bricks:

  1. The cost of fly ash bricks is lower than clay bricks
  2. Fly ash bricks are lighter than clay bricks
  3. Fly ash bricks are less porous in comparison to clay bricks

    Which of the above statements are correct?

Answer: [D] 1, 2 & 3

All of the above statements are correct
Two types of ash is produced at power plants. One that falls in the bottom of the boiler is called bottom ash. Another is made of fine particles that are driven out along with the flue gases called fly ash. With increase in number of power plants, the fly ash production has increased. The Government promotes the use of Fly Ash Bricks. It is increasingly emerging as a major input material in several industries including cement, agriculture, construction, Paints etc.

This question is a part of GKToday's Integrated IAS General Studies Module