Environmental Engineering Composting and lagooning are the methods of Sludge digestion Sedimentation Sludge disposal Filtration Sludge digestion Sedimentation Sludge disposal Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Does not require alkalinity in water for flocculation Increases pH value of water Does not affect pH value of water Decreases pH value of water Does not require alkalinity in water for flocculation Increases pH value of water Does not affect pH value of water Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Average rate of water consumption per head per day as per Indian Standard is 165 liters 200 liters 100 liters 135 liters 165 liters 200 liters 100 liters 135 liters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger Smaller Same None of these Larger Smaller Same None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Low temperature Mud ball formation Higher turbidity in the effluent Excessive negative head Low temperature Mud ball formation Higher turbidity in the effluent Excessive negative head ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 5 to 7 2 to 4 0.4 to 1.0 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
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