Steps taken by the Government of india to control air pollution include

  • Option 1)

    Ccompulsory PUC (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons.

  • Option 2)

    permission to use only pure diesel with a maximum of 500 ppm sulphur as fuel for vehicles.

  • Option 3)

    use of non-polluting Compressed Natural Gas  (CNG) only as fuel by all buses and trucks.

  • Option 4)

    compulsory mixing of 20% ethyle  alcohol with petrol and 20% biodiesel with diesel.

 

Answers (1)

As discussed in

Control of air pollution -

The emission of exhaust from automobiles can be reduced by devices such as positive crankcase ventilation valve and catalytic converter.

Electrostatic precipitators can reduce smoke and dust from industries.

- wherein

Gaseous pollutants arising from industries can be removed by differential solubility of gases in water.

A finepray of water in the device called scrubber can separate many gases like NH3, SO2, etc. from the emitted exhaust.

 

 As discussed in

Control of air pollution -

Certain gases can be removed by filtration or absorption through activated charcoal. Certain gases can be made chemically intert by chemical conversion.

- wherein

At the Government level pollution can be controlled by framing legislations. Vehicles based on compressed natural gas (CNG) should be introduced.

 

 Many steps have being taken by the government to curb air pollution and one of the most important is Ccompulsory PUC (Pollution Under Control) certification.


Option 1)

Ccompulsory PUC (Pollution Under Control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons.

This solution is incorrect

Option 2)

permission to use only pure diesel with a maximum of 500 ppm sulphur as fuel for vehicles.

This solution is incorrect

Option 3)

use of non-polluting Compressed Natural Gas  (CNG) only as fuel by all buses and trucks.

This solution is incorrect

Option 4)

compulsory mixing of 20% ethyle  alcohol with petrol and 20% biodiesel with diesel.

This solution is correct

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