Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.94 D D’ = 0.74 D D’ = 0.84 D D’ = 0.64 D D’ = 0.94 D D’ = 0.74 D D’ = 0.84 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 0.85 75 to 80% 70 to 75% 65 to 70% 0.85 75 to 80% 70 to 75% 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Dissolved solids None of these Suspended solids Settleable solids Dissolved solids None of these Suspended solids Settleable solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 60 None of these 1 in 120 1 in 100 1 in 60 None of these 1 in 120 1 in 100 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is trebled Is only provided Is doubled Is not enough Is trebled Is only provided Is doubled Is not enough ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is 5 m 7 m 5.5 m 6.5 m 5 m 7 m 5.5 m 6.5 m ANSWER DOWNLOAD EXAMIANS APP
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