Waste Water Engineering House connections to the laterals is generally made by Glazed stonewares R.C.C. P.C.C. Cast iron Glazed stonewares R.C.C. P.C.C. Cast iron ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The intensity of rain is expressed in cm/minute cm/hour None of these cm/day cm/minute cm/hour None of these cm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.25 0.1 0.5 0.05 0.25 0.1 0.5 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 0.1 mm 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm 250 ppm 200 ppm None of these 225 ppm 250 ppm 200 ppm None of these 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 and 30 minutes 1 hour 2 hours 30 minutes 1 hour and 30 minutes 1 hour 2 hours ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS