The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?

3 Answers   MPSC,

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what is the difference b/w winding insulation class and winding temperature class?

6 Answers   Bhel, NDPL, NTPC,

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electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

0 Answers  

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If I have a motor of 1 MW with 6.6 kV, running at 35% load, how can I save energy without reducing the load?

6 Answers   Reddy Labs,

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my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

1 Answers  

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Why we didn’t feel electric shock in an electric train ??

10 Answers   NTPC,

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What is VSCF windelectrical system?

0 Answers  

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one conductor length is L.and i am strech uniformly this conductor and made length is 2L.so resistance of this strech conductor is R=4R..but i want to know about area of stech conductor hows it become a/2..

0 Answers   Infosys, ME,

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What is the maximum operating temperature for a thermoplastic insulated cable?

0 Answers  

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What is the basic difference among Circuit breaker,Contractor and Isolator? Are they different names of same device/equipment?

2 Answers  

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Battery is a voltage source? give one example of current source and why?

0 Answers   Suzlon,

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what is the difference between thermal magnetic release and microprocessor based release breakers. what are the advantages of latter over the first one...

5 Answers   Jackson, Karthik Industries, McD BERL, TCS,

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