Correct answer
B. At an angle 30° to 60° to the direction of flow
Explanation
The correct answer is At an angle 30° to 60° to the direction of flow.
The coagulant which is generally not used for treating the sewage, is________?
Which of the following is not used in measuring perpendicular offsets?
The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in________?
A steel beam supporting loads from the floor slab as well as from wall is termed as________?
Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities________?
Select the correct statement________?