difference between earthing and grounding?

2 Answers   ABB, Bharti, L&T,

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what is S.D.F stands for ? (S.D.F unit 80 amp , TPN )

6 Answers  

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What is the universal motor?

0 Answers  

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explain the application of reciprocity theorom

0 Answers  

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What kinds of decision are made about CT from it's Knee point(voltage & current)?

2 Answers  

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1. What does mean of "PS" stand for Diff. CT class? 2. What is the formula of KW for 1Phase load inturms of voltag,current & P.F.?

4 Answers   Hero Honda,

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on what factor insulation resistance depends

2 Answers   Uttam Sugar,

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How to design CT for connected with Transformer OLTC operation? normally CT output design for 1A/5A range but during OLTC Tap position changing time how to function the CT?

1 Answers   HEG,

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wha tis the ac motor used for traction system

4 Answers  

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In winter we seem lightly an electric shock when we touch to doors(sometime)

13 Answers   Infosys, REL,

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what is AB switch???

6 Answers   NTPC, Simplex,

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what is power factor?

3 Answers  

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