Test: Devices To Control Air Pollution


5 Questions MCQ Test Environmental Engineering | Test: Devices To Control Air Pollution


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Attempt Test: Devices To Control Air Pollution | 5 questions in 25 minutes | Mock test for Chemical Engineering preparation | Free important questions MCQ to study Environmental Engineering for Chemical Engineering Exam | Download free PDF with solutions
QUESTION: 1

Which of the following is used in ceramic industries?

Solution:

Explanation: Dynamic precipitator is used in ceramics, woodworking industries. It uses centrifugal force to remove gaseous matter.

QUESTION: 2

 Wet scrubbers are classified into ____ types.

Solution:

Explanation: Web scrubbers are used to remove air pollutants and are classified into Spray towers, Wet cyclonic scrubber and Venturi scrubber.

QUESTION: 3

 The centrifugal collectors are classified into how many types?

Solution:

Explanation: The Centrifugal collectors are classified into the Cyclone collector and Dynamic precipitator.

QUESTION: 4

 Which of the following air pollution control device has maximum efficiency?

Solution:

Explanation: Electrostatic precipitator has the maximum efficiency among the rest with a value of 99%.

QUESTION: 5

Which of the following is incorrect regarding fabric filter?

Solution:

Explanation: The efficiency of Electrostatic precipitator is <99%, whereas the efficiency of Fabric filter is >99%.

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