Describe various devices used to remove particulate matters from air.

The particulate matter is

What is used for removing particulate matter:-

Name the most widely used device to remove particulate matter.

The electrostatic precipitator is used for removing particulate matter from

Which of the following device is used to remove over 99% particulate matter present in the exhaust from a thermal power plant?

Describe various categories of dieases.

Which one of the following is a device used to control particulate matter ?