A. 200 meters
B. Infinitely long
C. More than 105.7 metres
D. Equal to the height of the hot gas column producing draught
Correct Answer: Equal to the height of the hot gas column producing draught ✔
Last Updated: March 08, 2019
A. 200 meters
B. Infinitely long
C. More than 105.7 metres
D. Equal to the height of the hot gas column producing draught
Correct Answer: Equal to the height of the hot gas column producing draught ✔
Last Updated: March 08, 2019