Computer · Environmental Engineering
एक पारंपरिक सीवेज उपचार संयंत्र में निम्नलिखित इकाइयाँ शामिल हैं: 1. स्क्रीनिंग (Screening) 2. ग्रिट रिमूवल (Grit removal) 3. द्वितीयक अवसादन (Secondary sedimentation) 4. वातन (Aeration) 5. प्राथमिक अवसादन (Primary sedimentation) उपचार प्रक्रिया में इन इकाइयों का सही क्रम क्या है?
- 12, 1, 4, 3, 5
- 22, 1, 4, 5, 3
- 31, 2, 5, 4, 3✓
- 41, 2, 3, 4, 5
सही उत्तर देखें
1, 2, 5, 4, 3
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