Question

1. In some cities, a pollution check has been made compulsory for
vehicles. Visit a petrol pump in order to learn about the process of
conducting a pollution check. You may systematically record your
findings in the following areas:
l Average number of vehicles checked per month.
l Time taken to check each vehicle.
l Pollutants checked for.
l The process of testing.
l Permissible levels of emission of various gases.
l Measures taken if the emitted gases are above the
permissible limits.
l How frequently is a pollution check required ?

Answer 1

While directing a pollution check the accompanying gas is discharged from pollution:

- Nitrogen Oxide

- 5% Fine Particulate matter

- 1% VOC 

- 2% carbon monoxide

- 0.3% sulfur dioxide

- 8% air toxics

- 3% coolants like ozone

The time spent on every vehicle differs from the sort if its oil then it takes around 10 minutes if its diesel it takes 15-20 minutes.

Answer 2

Answer:

:)

Explanation:

 - The vehicles are checked for pollution and petrol. There number varies from country to country. and state to state

In India the avg cars checked for pollution at a petrol station is nearly 60,000

- The time spent on each vehicle varies on the type if its petrol then it takes around 10 minutes if its diesel it takes 15-20 minutes.

- children's hour check the for any distant particle so that any other harmful matter does not affect us

- They fix there machines in silencer then starts the vehicle and then reports it..

- OXYGEN-19.5%

ACETONE GAS EXPOSURE-50PPM

AMMONIA GAS EXPOSURE-20PPM

GASOLINE GAS EXPOSURE-1PPM

- The various measures are:

1. Adopting fuels which are environment friendly such as CNG, LNG, etc.

2. Continuous effort to be given for improving the existing fuel quality.

3. Industries should be made to recover the emission of harmful gases.

4. Trying to eliminate the harmful gases by using several methods.

5. Regular monitoring of the ambient air quality.

- A pollution check is required after every 6 months.