Using which of the given formula the chimney height is calculated to get the answer of 67.4m when the coal burnt is 18.8TPH and considering 0.5% of sulfur content in coal?

Using which of the given formula the chimney height is calculated to

1.	Using which of the given formula the chimney height is calculated to get the answer of 67.4m when the coal burnt is 18.8TPH and considering 0.5% of sulfur content in coal?
A.	H = 12(Q)13
B.	H = 17(Q)13
C.	H = 14(Q)13
D.	H = 22(Q)13
Answer» D. H = 22(Q)13