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20/03/2022 8:24 pm
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The statement which is not correct about control of particulate pollution:
(a) In electrostatic precipitator, the particulates are made to acquire positive charges which are then attracted by the negative electrode and removed.
(b) Gravity settling chamber removes larger particles from the air.
(c) Cyclone collector removes fine particles in the diameter range of 5-20 microns.
(d) Wet scrubbers are used to wash away all types of particulates.
1 Answer
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20/03/2022 8:25 pm
Correct answer: (a) In electrostatic precipitator, the particulates are made to acquire positive charges which are then attracted by the negative electrode and removed.
Explanation:
Particulates acquire negative charge and are attracted by the positive electrode.