Which is the most widely used technique for removing particulate matter?
ALoudspeakers
BGrowing trees
CElectrostatic precipitator
DMagnets
Answer:
C. Electrostatic precipitator
Read Explanation:
The electrostatic precipitator is the most widely used technique for removing particulate matter as it removes the 99 percent particulate matter present in the exhaust of various industries.
It has electrode wires that release electrons that help in attracting the charged dust particles.