Waste Water Engineering A drop manhole is provided if A sewer drops from a height A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction None of these A sewer drops from a height A branch sewer joins the main sewer at higher level A lamp is inserted to check obstruction None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In 1000 kg of sewage, the total solids approximate 7.5 kg to 10 kg 0.5 to 1.0 kg 5 kg to 7.5 kg 1 kg to 2.0 kg 7.5 kg to 10 kg 0.5 to 1.0 kg 5 kg to 7.5 kg 1 kg to 2.0 kg ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.60 m/sec 0.50 m/sec 0.75 m/sec 0.70 m/sec 0.60 m/sec 0.50 m/sec 0.75 m/sec 0.70 m/sec ANSWER DOWNLOAD EXAMIANS APP
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’ = 0.94 D D’ = 0.84 D D’ = 0.64 D D’ = 0.74 D D’ = 0.94 D D’ = 0.84 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pH value of fresh sewage is usually Equal to 7 More than 7 Less than 7 Equal to zero Equal to 7 More than 7 Less than 7 Equal to zero ANSWER DOWNLOAD EXAMIANS APP
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