Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours Methane gas Hydrogen sulphide Carbondioxide gas Diesel vapours 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’ = 0.64 D D’ = 0.84 D D’ = 0.94 D D’ = 0.74 D D’ = 0.64 D D’ = 0.84 D D’ = 0.94 D D’ = 0.74 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers None of these Top of larger sewer is kept lower Top of smaller sewer is kept lower Tops of both the sewers are at the same level None of these Top of larger sewer is kept lower Top of smaller sewer is kept lower Tops of both the sewers are at the same level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 2.5 3 2 1.5 2.5 3 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Both B and C Steel pipes Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar Both B and C Steel pipes Steel shell coated from outside with cement mortar Steel shell coated from inside with cement mortar ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipe which carries sewage from a building for immediate disposal is Main sewer Intercepting sewer House sewer Lateral sewer Main sewer Intercepting sewer House sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP