Waste Water Engineering In a grit chamber of a sewage treatment plant, Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept All of these One minute of detention period is kept Depth of 0.9 m to 1.20 m is kept Flow velocity 0.15 m to 0.3 m/sec is kept All of these One minute of detention period is kept ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 25°C 20°C 15°C 0°C 25°C 20°C 15°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of All of these Sulphates Carbon dioxide Nitrates All of these Sulphates Carbon dioxide Nitrates ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure All listed here The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension The sewage when running full from inside, is called internal pressure All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita ANSWER DOWNLOAD EXAMIANS APP