Physics · Wiring Installations
एक मौसमरोधी (weatherproof) या PVC-इन्सुलेटेड केबल को जीआई (GI) पाइप से गुजारते समय उसके लिए अनुशंसित न्यूनतम आंतरिक व्यास कितना है?
- 17.5 सेमी
- 23.0 सेमी
- 32.5 सेमी✓
- 45.0 सेमी
सही उत्तर देखें
2.5 सेमी
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