Waste Water Engineering Hume steel pipes are Steel shell coated from outside with cement mortar Steel pipes Steel shell coated from inside with cement mortar Both B and C Steel shell coated from outside with cement mortar Steel pipes Steel shell coated from inside with cement mortar Both B and C 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 Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Water test is carried out to check water tightness of the joints All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Test for straightness is carried out with the help of a lamp and mirror Water test is carried out to check water tightness of the joints All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Test for straightness is carried out with the help of a lamp and mirror ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth All listed here It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is generally provided at each Junction Bend All of these Change of gradient Junction Bend All of these Change of gradient ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Imhoff tanks Trickling filters Sludge sedimentation tanks None of these Imhoff tanks Trickling filters Sludge sedimentation tanks None of these ANSWER DOWNLOAD EXAMIANS APP