1)Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? 2)What is the reason for transformer Noise ?? 3)What is relation b/w Transmission Lines & Communication Lines ? 4)Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ?

14 Answers   NTPC, Tata Power,

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What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

0 Answers  

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what is the significance of per unit impedance ?

7 Answers   HP,

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1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

0 Answers   CCP,

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What are the advantages and disadvantes of delta and star connections in transformers and alternators?

3 Answers  

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Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

0 Answers  

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I need a 33/690V Dry type transformer.How to select IP class for this transformer.This will be an outdoor transformer located in a highly polluted environment.

3 Answers  

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what is a FACTS devices? what is mean by STATCOM????

1 Answers   IIT,

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What is the most important precaution in any experiment with d.c. Shunt motor?

0 Answers  

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What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?

2 Answers   Essar,

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What is mean by retrofitting of machine tool please brief.

1 Answers  

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What are the classifications of heating element?

0 Answers   BARC,

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