The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height ot the chimney in metres, and T1 = Absolute temperature of air outside the chimney in K)

The draught (in mm of water), for maximum discharge of flue gases thro

1.	The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height ot the chimney in metres, and T1 = Absolute temperature of air outside the chimney in K)
A.	<img src="/_files/images/mechanical-engineering/steam-boilers-and-engines/291-145-1.png">
B.	<img src="/_files/images/mechanical-engineering/steam-boilers-and-engines/291-145-2.png">
C.	<img src="/_files/images/mechanical-engineering/steam-boilers-and-engines/291-145-3.png">
D.	<img src="/_files/images/mechanical-engineering/steam-boilers-and-engines/291-145-4.png">
Answer» E.