Waste Water Engineering In the activated sludge process Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Self-cleansing velocity is Velocity at dry weather flow Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter Velocity at dry weather flow Velocity of water at flushing Velocity at which no accumulation remains in the drains Velocity of water in a pressure filter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 4 ppm 10 ppm 3 ppm 5 ppm 4 ppm 10 ppm 3 ppm 5 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage Oil and grease are removed from skimming tanks All listed here Girt and sand are removed by girt chambers Floating materials are removed by screening Oil and grease are removed from skimming tanks All listed here Girt and sand are removed by girt chambers Floating materials are removed by screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? Mirror test All of these Ball test Water test Mirror test All of these Ball test Water test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Nitrates Nitrites Aluminoid nitrogen Free ammonia Nitrates Nitrites Aluminoid nitrogen Free ammonia ANSWER DOWNLOAD EXAMIANS APP
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