Multiple choice

Which of the following statements about control of particular pollution is/are not correct?

  1. Gravity settling chamber removes larger particles from the air.

  2. Cyclone collector removes fine particles in the diameter range 5-20 micron.

  3. Wet scrubbers are used to wash away all types of particulates.

  4. Both 2 and 3

  5. In electrostatic precipitator, the particulates are made acquire positive change, which are then attracted by the negative electrode and removed.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This option is correct because particulates acquire negative charge and are attracted by the positive electrode.

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