Which of the following statements is correct?

Given below are two statements:

Statement I: Electrostatic precipitator is most widely used in thermal power plant.

Statement II : Electrostatic precipitator in thermal power plant removes ionising radiations.

In the light of the above statements, choose the most appropriate answer from the options given below:

Why CNG is considered better fuel than diesel?

(a) It can not be adulterated.

(b) It takes less time to fill the fuel tank

(c) It burns more efficiently.

(d) It is cheaper.

(e) It is less inflammable.

Choose the most appropriate answer from the options given below :

The device which can remove particulate matter present in the exhaust from a thermal power plant is: