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. T₁/88.25 H
B. 88.25 H/T₁
C. T₁/176.5 H
D. 176.5 H/T₁
Answer» E.


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