വാണിജ്യാടിസ്ഥാനത്തിൽ നിർമ്മിക്കുന്ന വൈദ്യുത  കേബിളുകൾക്കുള്ള സാധുതയുള്ള ഗ്രേഡ് ഇനിപ്പറയുന്നവയിൽ ഏതാണ്?

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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വൈദ്യുത കേബിളുകൾ ഇനിപ്പറയുന്ന ഗ്രേഡുകൾക്കായി വാണിജ്യപരമായി നിർമ്മിക്കുന്നു

  • 230/400 V  (ഗാർഹിക)
  • 1.9/3.3 kV  (എർത്ത്ഡ് സിസ്റ്റം)
  • 3.8/6.6 kV  (എർത്ത്ഡ് സിസ്റ്റം)
  • 6.35/11 kV  (എർത്ത്ഡ് സിസ്റ്റം)
  • 12.7/22 kV  (എർത്ത്ഡ് സിസ്റ്റം)
  • 19/33 kV   (എർത്ത്ഡ് സിസ്റ്റം)
  • 3.3/3.3 kV  (അൺ എർത്ത്ഡ് സിസ്റ്റം)
  • 6.6/6.6 kV (അൺ എർത്ത്ഡ് സിസ്റ്റം)
  • 11/11 kV (അൺ എർത്ത്ഡ് സിസ്റ്റം)
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