Question

How much amount of fly ash is made utilized by India?

(a) 3 – 4%

(b) 10 – 20%

(c) 50 – 60%

(d) 35 – 55%

I had been asked this question in an interview for internship.

Asked question is from Ash and its Effects on Boiler Operation and Performance topic in division Steam Generators & Accessories of Energy Engineering

Answer 1

Correct answer is (a) 3 – 4%

Easiest explanation: About 20% of coal ash in the coal is converted into bottom ash and 80% fly ash. India utilizes only 3 – 4% of fly ash generated as compared to 40% utilization in France and U.K. The government 5t of India is imposing to achieve about 50% of fly ash in the upcoming years.