Answer / koti

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why induction motor always operate at lagging p.f.?

4 Answers  

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The ohm is the unit of:(a) Charge(b) Resistance(c) Power(d) Current

2 Answers  

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What is the most essential condition for the voltage build up for a d.c. Shunt generator?

0 Answers  

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ganaretors A check B check and C check details

1 Answers  

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what is difference between electrical and electronics

2 Answers  

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For Eg a 30 kw motor at full load how much kw it takes And at no load how much KW it will take?

1 Answers   GEPL,

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we hav seen in electric engine of trains only 1 wired slidng conecctn is there frm ovrhead line,howevr to complete a ckt in dc postv n negtv two conection has to b there...so where is tht negative is been connectd or where it is grounded...?

5 Answers   ABB,

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we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz

1 Answers  

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why we multiply 11 in High Electric supply?(eg.11KV, 33Kv, 330Kv etc.)

3 Answers  

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What is called grain-oriented laminations?

0 Answers  

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Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers  

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Can we convert off line transformer to on line transformer

0 Answers   NHPC,

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