Environmental Engineering in CE Which of the following is a secondary air pollutant? Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Idle running Deaccelaration Cruising Acceleration Idle running Deaccelaration Cruising Acceleration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 1.8 7.3 13.4 6.2 1.8 7.3 13.4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Anion exchanger Coagulation Filtration Preheating it Anion exchanger Coagulation Filtration Preheating it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these Fixing into a solid mass with cement and sinking deep in the sea 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 - 0.0035h t = 15 - 0.0065h t = 0.0035h -15 t = 15 + 0.0065h t = 15 - 0.0035h t = 15 - 0.0065h t = 0.0035h -15 t = 15 + 0.0065h ANSWER DOWNLOAD EXAMIANS APP
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