TLS Online TPP Program

#Question id: 40499


Match the wastewater treatment step in Column A with its primary objective in Column B

Column A (Step)Column B (Objective)
1. Bar Screensi. Removal of dissolved nitrates and phosphates
2. Grit Chamberii. Removal of large floating objects (plastics, rags)
3. Secondary Clarifieriii. Settlement of sand, gravel, and heavy inorganic solids
4. Tertiary Treatmentiv. Separation of biological flocs (activated sludge)

#Applied Microbiology
  1. 1-iii, 2-ii, 3-i, 4-iv
  2. 1-ii, 2-i, 3-iii, 4-iv
  3. 1-iv, 2-iii, 3-ii, 4-i
  4. 1-ii, 2-iii, 3-iv, 4-i