engineering recuitment BPSC Assistant Sanitary & Waste Management Officer Mock Test 2022 Environmental Engineering
Which of the following is/are the advantages of the plasma pyrolysis ?
1. It has low emission rate.
2. Waste residue is inert and sterile.
3. Low operation cost
4. High electrical usage
1
1 and 2
2
1,2 and 3
3
2,3 and 4
4
1,2 and 4