Q. Which of the following is/are the applications of fly ash?
1. Fly ash bricks are light in weight and offer high strength and durability.
2. It can be used in reclamation of wastelands.
3. It can increase the crop yield and it also enhances water holding capacity of the land.
Select the correct answer using the code given below:
Answer: D
Notes:
Cement can be replaced by fly ash up to 35%, thus reducing the cost of construction, making roads, etc.
- Fly ash bricks are light in weight and offer high strength and durability.
- Fly ash is a better fill material for road embankments and in concrete roads.
- Fly ash can be used in reclamation of wastelands.
- Abandoned mines can be filled up with fly ash.
- Fly ash can increase the crop yield and it also enhances water holding capacity of the land.
Source: Shankar

