How many types of lightings are there

2 Answers   ABB, Met Trade,

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distribution is maximum done by a)radial b)network c) parallel d)b & c

0 Answers  

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why battery set is required for D.G.set?

7 Answers  

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what do u mean by starting torque? how it should be for a good motor? what is the relation between starting torque and power factor? What is the relation between efficiency and starting torque?

2 Answers  

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Why should we use jelly filled armoured cables in underground Communication system? What is the use of the Jelly? If we go for unarmoured, then what happens?

1 Answers   Prasad Group,

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The synchronous speed of a motor with 6 poles and operating at 50 Hz frequency is ___.

4 Answers  

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how can we know cable size for a given current? if any one have catalogue plz mail to vijay_raju369@yahoo.co.in

5 Answers  

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What is the comparison between 30mA DP RCCB and 100mA DP RCCB and can replace it against 63A MCB

0 Answers  

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why there is no grow of grass under the high voltage transmission line?

3 Answers   TATA, Tata Power,

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what is earthing/

3 Answers   B.Tech, CPCL, Mobiserv,

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Rccb trip or not with out neutral connect in three phase welding machine

1 Answers  

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Write a note on materials used as a fuse element.

0 Answers   Bhel,

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