Answer / ajay gautam

First it is covered by a rubber coating and then it is covered by a pvc insulation

Answer / tanuj

insulation of XLPE.
bedding of PVC.
armoured steel
outer insulation of XLPE

Answer / k.prakashchandra

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1 kva how much amps? How to calculate ?

2 Answers   L&T,

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how do we calculate contactor and fuse rating for a motor if its full load current is known,i want exact calculation for 1.5 kw motor????

1 Answers   Allied Group, Nucon,

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why it is important to earth neutral of 3 phase transformer?

9 Answers   IBM, ITC Indian Tobacco Company, RRB, UDS,

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how and why are capacitors are used to improve powerfactor?

4 Answers  

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can I improve the furnace power factor (10 mva transformer) by adding a capacitor bank before the transformer.Does system power factor vary a lot with the furnace PF?

0 Answers  

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why dc series moter is not started at no load?

5 Answers   IOCL,

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i want some interview related questions with their answers which can help for attend the interviews...

0 Answers   Janta Glass,

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Why star point of star connected motor is not grounded? Why alternator is operated at lagging power factor?

3 Answers   TCL,

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What is the working mechanism of OLTC in Power Transformers????

0 Answers   KSEB,

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What is ac and dc drive.

1 Answers  

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What is the difference between a fuse and a breaker?

0 Answers  

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What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

0 Answers   Glenmark,

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