Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.01 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is More than 500 Less than 150 Between 150 to 200 Between 200 to 300 More than 500 Less than 150 Between 150 to 200 Between 200 to 300 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hume steel pipes are Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes Both B and C Steel shell coated from inside with cement mortar Steel shell coated from outside with cement mortar Steel pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Horse shoe shaped Circular Rectangular Egg shaped Horse shoe shaped Circular Rectangular Egg shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints Test for straightness is carried out with the help of a lamp and mirror All listed here Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints Test for straightness is carried out with the help of a lamp and mirror All listed here 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 0.70 m/sec 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 ANSWER DOWNLOAD EXAMIANS APP