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

8 Answers   Mecon,

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What is reactive power?

7 Answers   Suzlon,

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   SISL,

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what is the difference between relay, contactor

4 Answers   BRSS, Vishay Intertechnology,

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What is meant by sag?

0 Answers  

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What is the safety factor is to be consider while selecting the switchgear and protection for electrical system

1 Answers  

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What is bushing?

4 Answers  

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

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What are the various kind of cables used for transmission?

0 Answers  

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

0 Answers  

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Cb closed condition if there is a tcs fail whether cb will trip or not

0 Answers   AADC,

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If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

0 Answers  

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