Civil Engineering > GATE 2016 SET-1 > Wastewater Treatment
Match the items in Group - I with those in Group - II and choose the right combination.
Group - I Group - II
P. Activated sludge process 1. Nitrifiers and denitrifiers
Q. Rising of sludge 2. Autotrophic bacteria
R. Conventional nitrification 3. Heterotrophic bacteria
S. Biological nitrogen removal 4. Denitrifiers
A
P-3, Q-4, R-2, S-1
B
P-2, Q-3, R-4, S-1
C
P-3, Q-2, R-4, S-1
D
P-1, Q-4, R-2, S-3

Correct : a

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Activated sludge process biological nitrogen removal nitrification denitrification rising of sludge GATE Civil Engineering 2016 environmental engineering wastewater treatment processes match the following civil engineering

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