Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is 3 2 1.5 4 3 2 1.5 4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called Plateau None of these Windrow A heap Plateau None of these Windrow A heap 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 200 ppm 250 ppm None of these 225 ppm 200 ppm 250 ppm None of these 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 Discrete or granular particles change their None of these Shape Weight Size None of these Shape Weight Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 100 cm 50 cm 80 cm 90 cm 100 cm 50 cm 80 cm 90 cm ANSWER DOWNLOAD EXAMIANS APP