Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.1 0.3 0.01 1 0.1 0.3 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 400 20 200 100 400 20 200 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (ii) and (iv) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 35 75 95 105 35 75 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Sedimentation Coagulation Disinfection Filtration Sedimentation Coagulation Disinfection Filtration ANSWER DOWNLOAD EXAMIANS APP
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