how much air gap in induction motor as per the Indian standards?

1 Answers   Coast Guard,

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we done magnetic balance test for 33KV /440V transformer in our company , but the ratio out is confusing us Voltage applied in RY = 440 , at RB = 320 and YB = 60 RY 440 = ( RB + YB ) 380 only Please let me know what type of problem is it.

2 Answers  

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two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

16 Answers   DRDO, PSPCL, Siemens,

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How to convert farad to kvar. both are the unit of capacitor.

5 Answers   College School Exams Tests, UltraTech, Vikram Ispat Industries,

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What is the impedence of Transformer?

2 Answers  

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if dc excitation is used to produce manetic flux in rotating machines then ehy it is not used in transformers.

4 Answers  

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what is necessity of using isolation transformer?

4 Answers   NTPC,

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Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

0 Answers   4T Technologies,

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how to calculate a cable size while load is given in amp or kw and length is also define.?

1 Answers  

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why are we maintaining some specific gravity in battery ?

5 Answers  

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whether choke act as a voltage regulator in tubelight or not?

1 Answers   Bhel,

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can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

1 Answers   TNEB Tamil Nadu Electricity Board,

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