Download Aptitude Crack
img not found img not found

UPSC Civil Service Exam Questions - Engineering

Q1:

Which of the following treatments reduce salinity of water ?
1. Flocculation and sedimentation
2. Filtration
3. Reverse osomasis
4. Electrodialysis
Select the correct answer using the codes given below :

A 1 and 2

B 3 and 4

C 2 and 3

D 1 and 4

ANS:B - 3 and 4

No answer description is available.