Computer · Environmental Engineering
निम्नलिखित में से कौन सी अपशिष्ट जल उपचार इकाई अवायवीय (anaerobic) स्थितियों में कार्य करती है?
- 1टपकन फिल्टर (Trickling filter)
- 2पंक पाचन टैंक (Sludge digestion tank)✓
- 3प्राथमिक अवसादन टैंक (Primary sedimentation tank)
- 4सक्रियित पंक उपचार टैंक (Activated sludge treatment tank)
सही उत्तर देखें
पंक पाचन टैंक (Sludge digestion tank)
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