వాణిజ్యపరంగా తయారు చేయబడిన విద్యుత్ కేబుల్స్ కోసం కింది వాటిలో చెల్లుబాటు అయ్యే గ్రేడ్ ఏది?

This question was previously asked in
ALP CBT 2 Electrician Official Paper (Held On: 23 Jan 2019 Shift 3)
View all RRB ALP Papers >
  1. 230/400V
  2. 100/200V
  3. 270/300V
  4. 50/100V

Answer (Detailed Solution Below)

Option 1 : 230/400V
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Detailed Solution

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ఎలక్ట్రిక్ కేబుల్స్ వాణిజ్యపరంగా క్రింది గ్రేడ్‌ల కోసం తయారు చేయబడతాయి

  • 230/400 V (గృహ)
  • 1.9/3.3 kV (ఎర్త్డ్ సిస్టమ్)
  • 3.8/6.6 kV (ఎర్త్డ్ సిస్టమ్)
  • 6.35/11 kV (ఎర్త్డ్ సిస్టమ్)
  • 12.7/22 kV (ఎర్త్డ్ సిస్టమ్)
  • 19/33 kV (ఎర్త్డ్ సిస్టమ్)
  • 3.3/3.3 kV (అన్​ఎర్త్డ్​ సిస్టమ్​)
  • 6.6/6.6 kV (అన్​ఎర్త్డ్​ సిస్టమ్)
  • 11/11 kV (అన్​ఎర్త్డ్​ సిస్టమ్)

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