41.
Heating value of coal is approximately
A
9000-10,500 kcal / kg
B
1000-2000 kcal / kg
C
2000-4000 kcal / kg
D
5000-6500 kcal / kg
Loading practice questions
43 practice sets · Page 3 of 3
Heating value of coal is approximately
9000-10,500 kcal / kg
1000-2000 kcal / kg
2000-4000 kcal / kg
5000-6500 kcal / kg
Permissible pH value of water for boilers is
10
1
7
slightly more than 7
The overall efficiency of a boiler in a thermal power plant is of the order of
70 to 80%.
10%
25 to 30%
40 to 50%