Air Pollution

A settling chamber is used for the removal of discrete particulate matter from air with following conditions. Horizontal velocity of air $=0.2 \mathrm{~m} / \mathrm{s}$; Temperature of air stream $=77^{\circ} \mathrm{C}$...

The primary air pollutant(s) is/are

The primary air pollutant(s) is/are

What is the CORRECT match between the air pollutants and treatment techniques given in the table? Air pollutants Treatment techniques P - NO 2 i - Flaring Q - SO 2 ii - Cyclonic separator R - CO iii - Lime scrubbing S -...

Match the following air pollutants with the most appropriate adverse health effects : Air pollutant Health effect to human and/or test animal (P) Aromatic hydrocarbons (IV) Carcinogenic effect (Q) Carbon monoxide (I) Red...

Which of the following statements is/are TRUE in relation to the Maximum Mixing Depth (or Height) ‘D max ’ in the atmosphere?

Which one of the following statements is TRUE for Greenhouse Gas (GHG) in the atmosphere?

For the elevation and temperature data given in the table, the existing lapse rate in the environment is _____ ℃/100 m (round off to two decimal places). $$ \begin{array}{|c|c|} \hline \text { Elevation from ground level...

A sample of air analyzed at 25$$^\circ$$C and 1 atm pressure is reported to contain 0.04 ppm of SO 2 . Atomic mass of S = 32. O = 16. The equivalent SO 2 concentration (in $$\mu$$g/m 2 ) will be __________. (round off to...

A process equipment emits, 5 kg/h of volatile organic compounds (VOCs). If a hood placed over the process equipment captures 95% of the VOCs, then the fugitive emission in kg/h is

Which of the following statement(s) is/are correct?

Which one of the following options contains ONLY primary air pollutants?

Which one of the following is a secondary pollutant?