Why the core of a underground cable is spiral in shape instead of straight??

3 Answers   Mecon,

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work of choke in florocent tube circuit ?

0 Answers   Bhel,

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what is speed of light?

8 Answers  

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Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?

3 Answers   Wipro,

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how the characterstics of control valve being done

0 Answers  

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in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"

11 Answers   Bhel,

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How to calculate the FUSE rating?

2 Answers  

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how to connect the three phase capacitor in three phase star/delta connection motor?

1 Answers  

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Is there any difference between circuit breakers and isolators

7 Answers  

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How will you Protect aeroplanes and Ships from Lightining?

3 Answers   Parco,

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i have a Connected Load of 280KW and Maximum Demand of 224KW to one of SMDB under design with me. which criteria should i consider to design panel and main cables connected Load or Maximum Demand 1)Breaker rating 2)Panel Busbar rating 2)Incommer cable sizing (ignore Voltage drop)

1 Answers  

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what is the use of spherical metal balls attached on to the earth wire of transmission over head lines?

2 Answers  

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