Physics · Earthing Systems
भारतीय मानक IS 3043 के अनुसार, पाइप अर्थिंग के लिए उपयोग किए जाने वाले ढलवां लोहे (cast iron) के पाइप इलेक्ट्रोड का आंतरिक व्यास किससे कम नहीं होना चाहिए?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1125 mm
- 238 mm✓
- 3100 mm
- 4150 mm
सही उत्तर देखें
38 mm
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