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’ = 0.74 D D’ = 0.64 D D’ = 0.94 D D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D D’ = 0.84 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When the diluting water is having flow currents When sewage is fresh When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed When the diluting water is having flow currents When sewage is fresh When diluting water has high dissolved oxygen content When diluting water is used for water supply near the point of sewage disposed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The standard B.O.D. of water is taken for 5 days 2 days 1 day 3 days 5 days 2 days 1 day 3 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? All of these Mirror test Water test Ball test All of these Mirror test Water test Ball test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Are available in size Stoneware sewers 20 cm 10 cm All of these 15 cm 20 cm 10 cm All of these 15 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Are used to trap the rats entering sewers Dissolve the foul gases Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage Are used to trap the rats entering sewers Dissolve the foul gases Are water seals which prevent the entry of foul gases Create symphonic action to increase the quick disposal of sewerage ANSWER DOWNLOAD EXAMIANS APP
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