Which one of the following gases is most significant as air pollutant ?
2
A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is_____________________?
3
Depletion of ozone layer in the outer atmosphere may cause___________________ ?
These are just sample questions. The actual quiz contains 20 questions.