Answer / vikas

For power contactor you should select contactor depending
on load for which it going to be used and for control
purpose load is not major factor but selection of no. of
NO/NC contacts in contactor

I want to measure resistance between Neutro and earth conductor for 3 phase Transformer what should i do

1 Answers  

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I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

0 Answers  

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There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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1.What is effect of capitance in transmission line? 2. After raising the voltage at receiving end what will be happen? 3.how we nullify or control the raised voltage at receiving end?

3 Answers   NTPC,

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can u light up bulb with out useing neutral

12 Answers  

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what happen if the secondry winding of the transformer is having less no of turns compare to the primery winding.

2 Answers  

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if u have to run a 300kw moter then what is ur choice HT or LT switchgear & explain why?

3 Answers   Aditya Birla,

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A simple Question from all.... If Voltage drops then its rated value what will be effect on a Residential load? similarly if voltage rises from its rated value then what will be effects on a load? i know if voltage drops the equipment or device draws more current then its rated what are other reasons ? thanks in advance for ur time.......

1 Answers  

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can you plz send l&t aptitude questions if available its urgent plz plz plz

0 Answers   HPCL,

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Total power capacity of india at present

8 Answers   Bhel,

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What is AVR in Generators and How is it working.

4 Answers  

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WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

0 Answers  

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