what is skin effect?

4 Answers  

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What is class X ct? What rare its uses?

2 Answers  

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HOW TO CALCULATE THE WIRE SIZE FOR THE GIVEN LOAD?

5 Answers  

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what is the function of choke in tube

1 Answers  

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I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

0 Answers  

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Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

0 Answers  

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what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,

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Can XLPE/SWB/PVC (P3) 7C X 2.5mm2 be replaced by Can XLPE/SWB/PVC (P2) 7C X 2.5mm2??? P3 vs P2

0 Answers   PCSB,

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In Power transformer oil temperature or winding temperature will be high

3 Answers  

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how we can know which is Lv side and HV side of transformer by just seeing it?

7 Answers  

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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can anyone give an idea about dia calculation in cold rolling mill

0 Answers  

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