Waste Water Engineering In case of Imhoff tanks, All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute The shape is rectangular All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute The shape is rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is 1 in 120 None of these 1 in 60 1 in 100 1 in 120 None of these 1 in 60 1 in 100 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 Carbon dioxide Methane Oxygen Hydrogen sulphide Carbon dioxide Methane Oxygen Hydrogen sulphide 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 2 hours 30 minutes 1 hour 1 hour and 30 minutes 2 hours 30 minutes 1 hour 1 hour and 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2.5 2 1.5 3 2.5 2 1.5 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Both A. and B. With beds of rocks and gravels Neither A. nor B. Lined with stones Both A. and B. With beds of rocks and gravels Neither A. nor B. Lined with stones ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS