Why carbon brush used in dc motor also why its not used in ac motor?

2 Answers   RRB,

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

0 Answers   HCC,

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Whether we used insulated line for 33KV supply. what we called it.

1 Answers  

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what do you mean by synchronous speed of a three phase induction motor?

5 Answers   FlexPoint,

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sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan

0 Answers   IOCL,

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Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

0 Answers  

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Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

0 Answers  

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1.What is the range of stator resistance of 3-phase induction motor? 2.Two electrically operated vibro motors are foxed in parallel direction in vibrating feeders. what is the direction of both vibro motors?

0 Answers  

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Explain the advantages of the wheatstone bridge method of measuring resistance?

7 Answers  

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Why in KVA diesel engine? Why not KW

3 Answers  

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where is the primary of CT??

3 Answers  

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what curve and rateing would you use for a three phase 0.75kw motor?

0 Answers  

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