Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 1,00,000 4,00,000 1000 4000 1,00,000 4,00,000 1000 4000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Algae only Aerobic bacteria only Dual action of aerobic bacteria and anaerobic bacteria Sedimentation Algae only Aerobic bacteria only Dual action of aerobic bacteria and anaerobic bacteria Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 2.0 1.5 2.7 1.8 2.0 1.5 2.7 1.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The settling velocity of a particle in a sedimentation tank increases if The surface area of tank is increased None of these Particle size is decreased The depth of tank is decreased The surface area of tank is increased None of these Particle size is decreased The depth of tank is decreased ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Turbidity is measured on Platinum cobalt scale Standard platinum scale Standard cobalt scale Standard silica scale Platinum cobalt scale Standard platinum scale Standard cobalt scale Standard silica scale ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the total hardness of water is greater than its total alkalinity, the carbonate hardness will be equal to Total alkalinity Total hardness Total hardness total alkalinity Non carbonate hardness Total alkalinity Total hardness Total hardness total alkalinity Non carbonate hardness ANSWER DOWNLOAD EXAMIANS APP
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