Question

The chimney is emitting particulate matter. Which of the following is the correct expression of the height of the chimney? Here ‘Kp’ represents the emission of particulate matter.

(a) HC = 74 Kp^0.27

(b) HC = 14 Kp^0.27

(c) HC = 14 Kp^0.47

(d) HC = 74 Kp^0.33

I have been asked this question in an international level competition.

This intriguing question originated from Effects of Air Pollution, Design of Stack Height in portion Air Pollution of Environmental Engineering

Answer 1

The correct choice is (a) HC = 74 Kp^0.27

For explanation: Height of the chimney HC = 74 Kp^0.27 where HC is in metre and ‘Kp’ is in tonnes per hours.