Answer :


Average number of vehicles checked in a certain time period


200 cars per day


Time is taken to check each vehicle


2 to 3 mins


Pollutants checked for -


K value, Oxygen level, Carbon di oxide level, carbon mono oxide


The process of testing-


The process is done by using a machine using a machine. When it is brought near engine it gives the amount of pollutants in the smoke of vehicle.


Permissible limits of emission of various pollutants


Maximum carbon di oxide that can be present is 200 ppm. Carbon mono oxide is .3 percent standard.


Measures were taken if the emitted gases are above the permissible limits.


A certificate is issued if everything is normal.



The vehicle owner is asked to have the vehicle serviced if abnormalities are found.


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