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 4000 1000 1,00,000 4,00,000 4000 1000 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 Period of cleaning of slow sand filters is about 1 - 2 year 24 - 48 hours 2 - 3 months 10 - 12 days 1 - 2 year 24 - 48 hours 2 - 3 months 10 - 12 days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Sludge digestion tank Sedimentation tank Activated sludge treatment Trickling filters Sludge digestion tank Sedimentation tank Activated sludge treatment Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Intakes Filters Aquiclude Aquifers Intakes Filters Aquiclude Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Only carbonate hardness is removed Only noncarbonated hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Only carbonate hardness is removed Only noncarbonated hardness is removed Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS