The maximum discharge of gases through a chimney is given by

Question

Given that, h is draught in mm of water, H is chimney height in meters, T₁ is atmospheric temperature in K, the maximum discharge of gases through a chimney is given by                

a) H= 176. 5 T₁/H       b) H= H/176.5 T₁

c) H= 1.765 H/T₁        d) H= 176.5 H/T₁