Importance of Electrostatic Precipitator

Q.

Which one of the following is not a device used to control a particulate matter?

1. Arresters

2. Scrubbers

3. Filters

4. Electrostatic precipitator

5. Incinerator

Q. With regard to the assertion and reason, choose the correct option:
Assertion [A]: Suspended particulate matter (SPM) is a major pollutant released by diesel vehicles.
Reason [R]: Catalytic converters greatly reduce pollution caused by automobiles.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true but R is false
4. Both A and R are false

Q. With regard to the assertion and reason, choose the correct option:
Assertion [A]: Suspended particulate matter (SPM) is a major pollutant released by diesel vehicles.
Reason [R]: Catalytic converters greatly reduce pollution caused by automobiles.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true but R is false
4. Both A and R are false

Q.

A pollutant causing a burning sensation in the throat and eyes, along with feeling of vomiting is

1. Hydrogen sulphide

2. Sulphur dioxide

3. Hydrogen cyanide

4. Arsenic