Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 1 500 50 5 1 500 50 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Arizona (U.S.A.) Moscow (U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15°C and t is in °C.) t = 15 - 0.0065h t = 15 - 0.0035h t = 15 + 0.0065h t = 0.0035h -15 t = 15 - 0.0065h t = 15 - 0.0035h t = 15 + 0.0065h t = 0.0035h -15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? NOx SO₂ Hydrocarbons CO NOx SO₂ Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
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