The first stage in water treatment is
APurification
BFiltration
CSedimentation
DDisinfection
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The cumulative errors that occur for a length of line 'l' are proportional to
If the arm of the couple is doubled the magnitude of the moment of the couple will be
The water obtained from ------ is generally known as underground water
Take the odd man out
Thick cylinders are analysed on the basis of