Physics · Wastewater Engineering
Match List I with List II and select the correct option: List I: a. Sludge volume index b. Thickening of sludge c. Scum removal d. Recycling of effluent List II: 1. Settling in primary sedimentation tank2. Settling in secondary sedimentation tank3. Filtration in trickling filter4. Activated sludge process
- 1a-4, b-2, c-1, d-3✓
- 2a-2, b-4, c-3, d-1
- 3a-4, b-2, c-3, d-1
- 4a-2, b-4, c-1, d-3
Correct answer
a-4, b-2, c-1, d-3
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