Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C Size of the sewer Shape of the sewer Roughness of sewer surface All listed here Size of the sewer Shape of the sewer Roughness of sewer surface All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process 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 Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.1 0.05 0.25 0.5 0.1 0.05 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Chemical Oxygen Demand (C.O.D.) Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Weight Shape None of these Size Weight Shape None of these Size ANSWER DOWNLOAD EXAMIANS APP
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