engineering recuitment TANGEDCO Field Assistant (Trainee) Mock Test Electrician and Wireman Power Systems Earthing

प्लेट भूयोजन के लिए पृथ्वी में गड्ढा ________ से कम नहीं होना चाहिए।

1
5.0 m
2
4.0 m
3
2.0 m
4
3.0 m
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