Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Filtration Disinfection Coagulation Sedimentation Filtration Disinfection Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Industrial chimney exhaust Photochemical oxidation of organic matter Automobiles exhaust Forest fire Industrial chimney exhaust Photochemical oxidation of organic matter Automobiles exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Wet scrubber Electrostatic precipitators Dust catcher Bag filter Wet scrubber Electrostatic precipitators Dust catcher Bag filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 2 to 3 0.001 to 0.01 5 to 10 02 to 0.3 2 to 3 0.001 to 0.01 5 to 10 02 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 120 60 20 90 120 60 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 7.3 13.4 1.8 6.2 7.3 13.4 1.8 6.2 ANSWER DOWNLOAD EXAMIANS APP
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