Any link for Electrical objective type questions ?

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What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?

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is there any phase difference occurs while primary and secondary side mutual induction occurs?

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we can conformed the vector group of the transformer. How?

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why some harmonics are disturbing while the others not

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WHY TRANSFORMER IS MEASURED IN KVA?

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

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what is the relation between frequency and inductive reactance in a d.c supply?

2 Answers   L&T,

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line vltage of three phase distribution transformer is 433v and phase voltage is 250v,but we required 230v for domestic distribution,then how we reduce phase voltage of transformer

5 Answers  

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

1 Answers   UPPCL,

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how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.

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please send me previous year questions of jspl through which i could prepare myself for the test.

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