Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Unexpected large scale infiltration of stream water Unexpected increase in the population Under estimates of maximum and average flows All of these Unexpected large scale infiltration of stream water Unexpected increase in the population Under estimates of maximum and average flows All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewers, inverted siphon is provided for One pipe Four pipes Two pipes Three pipes One pipe Four pipes Two pipes Three pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is acidic It is alkaline It is neutral None of these It is acidic It is alkaline It is neutral None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/(L × D) Q/L Q/(B × L) Q/(B × D) Q/(L × D) Q/L Q/(B × L) Q/(B × D) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.225 kg in solution 0.112 kg in suspension Both A and C of above 0.112 kg in solution 0.225 kg in solution 0.112 kg in suspension Both A and C of above 0.112 kg in solution ANSWER DOWNLOAD EXAMIANS APP
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