Which of the following is used in ceramic industries?
Explanation: Dynamic precipitator is used in ceramics, woodworking industries. It uses centrifugal force to remove gaseous matter.
Wet scrubbers are classified into ____ types.
Explanation: Web scrubbers are used to remove air pollutants and are classified into Spray towers, Wet cyclonic scrubber and Venturi scrubber.
The centrifugal collectors are classified into how many types?
Explanation: The Centrifugal collectors are classified into the Cyclone collector and Dynamic precipitator.
Which of the following air pollution control device has maximum efficiency?
Explanation: Electrostatic precipitator has the maximum efficiency among the rest with a value of 99%.
Which of the following is incorrect regarding fabric filter?
Explanation: The efficiency of Electrostatic precipitator is <99%, whereas the efficiency of Fabric filter is >99%.