Waste Water Engineering In a trickling filter Both A and B Filtration process is used Biological action is used Neither A nor B Both A and B Filtration process is used Biological action is used Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 0°C 25°C 20°C 15°C 0°C 25°C 20°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Free ammonia Aluminoid nitrogen Nitrites Nitrates Free ammonia Aluminoid nitrogen Nitrites Nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes Are designed for generating self-cleansing velocities at different discharge Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits All listed here Are designed for generating self-cleansing velocities at different discharge Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits All listed here ANSWER DOWNLOAD EXAMIANS APP
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