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Test: Effects Of Air Pollution, Design Of Stack Height


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10 Questions MCQ Test Environmental Engineering | Test: Effects Of Air Pollution, Design Of Stack Height

Test: Effects Of Air Pollution, Design Of Stack Height for Chemical Engineering 2022 is part of Environmental Engineering preparation. The Test: Effects Of Air Pollution, Design Of Stack Height questions and answers have been prepared according to the Chemical Engineering exam syllabus.The Test: Effects Of Air Pollution, Design Of Stack Height MCQs are made for Chemical Engineering 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Effects Of Air Pollution, Design Of Stack Height below.
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Test: Effects Of Air Pollution, Design Of Stack Height - Question 1

Which of the following is not a part of photochemical smog?

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 1

Explanation: Photochemical smog includes NO2 , O3 and PAN. The damage to vegetation is caused by NO2, O3 and PAN.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 2

Which air pollutant cause corrosion of building?

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 2

Explanation: SO2 is a colorless and irritant gas that causes corrosion of building.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 3

Which of the following air pollutant effects plants the most?

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 3

Explanation: Fluorine is the most dangerous air pollutant that affects plant, whereas SO2, PAN and HCl effects the leaf of the plant.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 4

The size of cigarette particles is

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 4

Explanation: Cigarette particles are <1μm and >25% particles are deposited in the lungs.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 5

Concentration of fluorine that cause a phototoxicological effect on the plant is

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 5

Explanation: Fluorine is produced through aluminium or glass industries and it causes a phototoxicological effect on the plant at a concentration of 0.3μg/m3.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 6

 Which of the following gas is not colorless?

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 6

Explanation: NO is a highly reactive gas which is reddish brown in color, whereas O3, Pb and SO3 are colorless gas.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 7

 The effective height of stack is given by

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 7

Explanation: Effective height of the stack, H = h1 + h2 where, h1 is the plume height and h2is the actual height of stack.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 8

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. 

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 8

Explanation: Height of the chimney HC = 74 Kp0.27 where HC is in metre and ‘Kp’ is in tonnes per hours.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 9

What is the minimum height of the chimney in a thermal power plant of capacity 350MW?

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 9

Explanation: As the capacity of thermal plant lies between 200MW and 500MW, the minimum height height of the chimney is 220m.

Test: Effects Of Air Pollution, Design Of Stack Height - Question 10

Which of the following is the correct expression of the height of chimney emitting sulfur dioxide? 

Detailed Solution for Test: Effects Of Air Pollution, Design Of Stack Height - Question 10

Explanation: Height of the chimney, HC = 14 Kp0.33 when the chimney is emitting sulfur dioxide. Here, the unit of ‘Kp’ is in kg/hour and HC is in metre.

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