Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Sulphur dioxide Chloramines Carbon dioxide Bleaching powder Sulphur dioxide Chloramines Carbon dioxide Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water Does not affect pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and more Less and more Less and less More and less More and more Less and more Less and less More and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 0 to 50 50 to 150 150 to 350 350 to 500 0 to 50 50 to 150 150 to 350 350 to 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The distribution mains are designed for Maximum daily demand Average daily demand Maximum hourly demand Maximum hourly demand on maximum day Maximum daily demand Average daily demand Maximum hourly demand Maximum hourly demand on maximum day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation ditch Oxidation pond Aerated lagoons Trickling filters Oxidation ditch Oxidation pond Aerated lagoons Trickling filters ANSWER DOWNLOAD EXAMIANS APP
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