engineering recuitment BPSC Assistant Sanitary & Waste Management Officer Mock Test 2022 Environmental Engineering
Which of the followings are the advantages of biofiltration?
1. Operational cost is lower in the biofilter.
2. Chance of hydraulic shock is less in the biofilter.
3. Chance of clogging is less in the biofilter.
1
1 and 2
2
2 and 3
3
1 and 3
4
1,2 and 3