Waste Water Engineering The sewer which resists sulphide corrosion, is R.C. sewer Brick sewer Lead sewer Cast iron sewer R.C. sewer Brick sewer Lead sewer Cast iron sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is 30 minutes 1 hour 1 hour and 30 minutes 2 hours 30 minutes 1 hour 1 hour and 30 minutes 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted On manholes At the end of septic tanks With a W.'trap At the beginning of sewer line On manholes At the end of septic tanks With a W.'trap At the beginning of sewer line ANSWER DOWNLOAD EXAMIANS APP
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 Greater than 0.1 mm Less than 0.01 mm Less than 0.05 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.01 mm Less than 0.05 mm Less than 0.1 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be sunk by 20 cm Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Need not be sunk Should be sunk by 20 cm Should be sunk by 50 cm Should be kept 20 cm above the adjacent portion Need not be sunk ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 5 ppm 3 ppm 4 ppm 10 ppm 5 ppm 3 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP