Question

Name the device used for removing particulate air pollutants.

• A. Electrostatic precipitator
• B. Cyclone separator
• C. Fermenter
• D. Both A and B
  

Answer 1

Answer: (D)

Both A and B

Electrostatic precipitator and Cyclone separator are the devices which are used to separate particulate matter from the gas or air. Electrostatic precipitator works on the principle of static electricity to filter out fine material such as soot and ash from exhaust fumes before they are released in the air. Further, Cyclone separator works on the principle of inertia which is used to remove particulate matter from flue gases.

So the correct answer is 'Both A and B'.