Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called A heap Windrow Plateau None of these A heap Windrow Plateau None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Centrifugal pump Reciprocating pump Air pressure pump Pneumatic ejector Centrifugal pump Reciprocating pump Air pressure pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 60 1 in 100 1 in 120 None of these 1 in 60 1 in 100 1 in 120 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage In sewer treatment plants None of these At sewer pipes In freshly produced sewage In sewer treatment plants None of these At sewer pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 60 days 30 days 90 days 15 days 60 days 30 days 90 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A rainfall may be classified as acidic if its pH value is less or equal to 5 6 6.5 7 5 6 6.5 7 ANSWER DOWNLOAD EXAMIANS APP