what is the distance between two overhead lines

1 Answers   Aurobindo,

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for star delta connection,,why the contactor star not burn,when red,yellow and blue cable is looping.

2 Answers   Mahindra Water Utilities,

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how many typetesting of transformers?

8 Answers   ONGC,

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which motors is used in mixies

3 Answers  

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What will happen when more than one star neutral points at same voltage level are connected to earth by metallic conductor?

1 Answers   TCS,

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why we use separate earthing for two seprate machine??

1 Answers  

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comparision between ACB and VCB

1 Answers  

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what is iron loss?

4 Answers   RRB,

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In 110V DC supply,if a closed circuit gets open, How can we identify the voltage which is measured after the resistor(4KOhm) which is open with negative.it shows 55V +ve when measured, also the actual positive source is 55V +ve .Because there is no voltage drop in open circuit. How can we identify whether this is the voltage which is series with the resistor or the DC source direct +ve.

1 Answers   GE,

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what are the problems that generally occur in power flows??

1 Answers  

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what is vibration?

2 Answers  

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why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

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