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1. |
The statement which is not correct about control of particulate pollution: |
A. | In electrostatic precipitator, the particulates are made to acquire positive charge 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 5-20 microns. |
D. | Wet scrubbers are used to wash away all types of particulates. |
Answer» B. Gravity settling chamber removes larger particles from the air. | |