Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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advantage of cu cable over al cable

4 Answers   Havells,

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What is different between MCB & MCC & isolator switch

1 Answers   Standard Chartered,

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which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

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can a 50 Hz transformer work satisfactorily if placed under 60 Hz,what are the prices and losses that will arise

5 Answers  

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why tan delta test is carried out in the power transformer? which parameter are measure?

1 Answers  

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Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

2 Answers   Aurobindo, Hetero,

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State how to produce a constant rotating field by application of alternating currents to stator armature of a three-phase squirrel-cage induction motor

0 Answers   Jindal,

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what are d/f between cfl and pl lamps,

1 Answers  

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What is the technical difference between IS:1554 and Indian Railway IRS:S63/2007

0 Answers   Indian Railways,

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

0 Answers  

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