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Electrical Q & A

  • Top Electrical Engineering Questions & Answers
    Electrical Q & A

    Top Electrical Engineering Interview Questions for Freshers

    1. What is electric traction? Electric traction means using the electric power for traction system (i.e. for railways,trams, trolleys etc). ...
    Bharadwaj
    July 11, 2016
  • Interview Questions on Battery Testing
    Electrical Q & A

    Interview Questions on Battery Testing

    Measuring the float voltage of cells is usually easy, but how useful are the results produced by this measurement? In ...
    Bharadwaj
    July 3, 2016
  • Electrical Machines Questions and Answers
    Electrical Q & A

    Electrical Machines Questions and Answers

    Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and ...
    Bharadwaj
    July 3, 2016
  • Induction Motor Interview Questions Answers
    Electrical Q & A

    Induction Motor Interview Questions Answers

    What are the advantages and disadvantages of Induction Motors? Advantages: It is simple and rugged in construction It is relatively ...
    Bharadwaj
    July 3, 2016
  • Electrical Q & A

    DC machines and Induction Machines Viva Questions & Answers

    When DC Generator fails to build up the voltage, what are the reasons? No residual magnetism, reversal of field connections ...
    Bharadwaj
    April 28, 2016
  • Transformers Questions & Answers Part-1
    Electrical Q & A

    Transformers Questions & Answers Part-1

    Inrush Currents in Transformers – Causes When a transformer is energized after a short interruption, the transformer may draw high ...
    Bharadwaj
    April 25, 2016
  • Transformers Questions & Answers Part-2
    Electrical Q & A

    Transformers Questions & Answers Part-2

    Auto-transformer Advantages: Auto-transformers in comparison with the double winding transformers are generally advantageous of the voltage ratio is favorable from ...
    Bharadwaj
    April 25, 2016
  • Transformers Questions & Answers Part-3
    Electrical Q & A

    Transformers Questions & Answers Part-3

    Insulation Materials used in Transformers and Induction Motors Insulation materials used in transformers and motors are classified based on the ...
    Bharadwaj
    April 25, 2016
  • Electrical Q & A

    Transformers Questions & Answers Part-4

    Where Star (wye) Delta transformer is used in Power system Star-Delta Transformer (Y-Δ ) Primary Y (High Voltage side) and ...
    Bharadwaj
    April 25, 2016
  • Power System Protection and Relays Questions & Answers
    Electrical Q & A

    Power System Protection and Relays Questions & Answers

    What is protective relay? It is an electrical device designed to initiate the isolation of a part of the electrical ...
    Bharadwaj
    April 25, 2016
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