Answer Posted / pravesh

h.t. cables are joint by using h.v. straight througk joint
if it is cable and then heat shrink by using the
insulation .
l.t. cables are joint by using l.v. lugs and covered with
insulation and heat shrink or may be taken to H pole
structure to join with thimbles.

Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

3872

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Why do we use copper cable for HT Supply and why not Aluminium?

1526

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diff.between servo motor and ac motor

1559

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Is it posible to instal one more SMDB from the existing SMDB and is it practical.

1596

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how can i get an electrical c-certificate?

1793

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WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?

1912

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Explain Creepage Distance of Insulator

1741

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I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1372

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WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

5585

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how to calculate the loss tangent of electrical cables

1603

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What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

3151

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hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

2129

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How is the connection of the tap changer on the HV side been made?

1510

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Define the three phase formula fuse.

1396

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what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

1711

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