Calorific value of coal is of the order of
A. 200-400 kcal/ kg
B. 800-1200 kcal/ kg
C. 2000-4000 kcal/ kg
D. 5000-8000 kcal/ kg
Answer:A
Calorific value of coal is of the order of
A. 200-400 kcal/ kg B. 800-1200 kcal/ kg C. 2000-4000 kcal/ kg D. 5000-8000 kcal/ kg