Challenger App

No.1 PSC Learning App

1M+ Downloads
The sedimentation process in water treatment involves settling of impurities in a tank under the action of

ASun rays

BGravitational force

CBiological action

DVelocity of flow

Answer:

B. Gravitational force


Related Questions:

The diameter of the rivet hole is usually the nominal diameter of the rivet
For the true difference in elevation between two points A and B, the levelling instrument must be at:
In a whole circle bearing system N 25°15'E corresponds to
2016. January 22nd is Friday. Find 2016, August 20
For maximum alkalinity of water pH value should be :