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
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Permanent adjustments of a level are
Psychology may best be described as the scientific study of ..... and .....?
A staff reading taken on a bench mark is called:
The maximum load per unit area which soil can resist safely without displacement is known as
By the combination of setsquares, we can create ............................angle.