Computer · Environmental Engineering
पेयजल आपूर्ति प्रणाली में दूषित पानी के उल्टे प्रवाह को रोकने के लिए जल निकासी प्रणाली में स्थापित एक यांत्रिक उपकरण या असेंबली क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1बैक-वेंट पाइप (Back-vent pipe)
- 2बैकफ़्लो प्रिवेंटर (Backflow preventer)✓
- 3बैक-साइफनेज पाइप (Back-siphonage pipe)
- 4बैक वॉटर वाल्व (Back water valve)
सही उत्तर देखें
बैकफ़्लो प्रिवेंटर (Backflow preventer)
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