Waste Water Engineering A manhole is classified as shallow if its depth is between 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m 0.7 to 0.9 m 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m 0.7 to 0.9 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced With elliptical cage Both A and B Near the outer surface of the pipe Near the inner surface of the pipe With elliptical cage Both A and B Near the outer surface of the pipe Near the inner surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The dimensions of a rectangular settling tank are: length 24 m, width 6 m and depth 3 m. If 2 hour detention period for tanks is recommended, the rate of flow of sewage per hour, is 212 cu.m 204 cu.m 216 cu.m 208 cu.m 212 cu.m 204 cu.m 216 cu.m 208 cu.m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering hydraulically equivalent, the relationship which holds good, is D8/3 = 4 b8/3 D3/2 = 4 b3/2 D3/8 = 4 b3/8 D2/3 = 4 b2/3 D8/3 = 4 b8/3 D3/2 = 4 b3/2 D3/8 = 4 b3/8 D2/3 = 4 b2/3 ANSWER DOWNLOAD EXAMIANS APP
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