

MCQOPTIONS
Saved Bookmarks
1. |
Find draught in terms of column of hot gases, if the temperature of hot gases inside the chimney is 350°C. The height of the chimney is 30 m. The temperature of outside air is 25°C. The air supplied for complete combustion of 1 kg of fuel is 20 kg. |
A. | 29.73 m |
B. | 32.46 m |
C. | 45.32 m |
D. | 30.25 m |
Answer» B. 32.46 m | |