Computer · Environmental Engineering
मैनहोल में न्यूनतम ढाल (minimum gradient) सीवेज प्रवाह के लिए किस पहलू को सुनिश्चित करती है?
- 1दुर्गंध नियंत्रण (Odour control)
- 2स्व-सफाई (Self-cleansing)✓
- 3दाब निर्माण (Pressure build-up)
- 4उच्च वेग (High velocity)
सही उत्तर देखें
स्व-सफाई (Self-cleansing)
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