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What are the different auxiliary protections of a transformer?

1 Answers   CESC,

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why PT Primary are the grounded?

5 Answers   L&T,

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After fault clearing in Tr line, whether the Metering core of CT is comes to normal condition from saturation region & its works as a normal condition?

1 Answers  

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What will happen if DC supply is given on the primary of a transformer?

6 Answers  

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What are the types of transformers according to the arrangement of iron cores?

0 Answers  

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house wiring - series wiring or parallel wiring

4 Answers  

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What is d diff. btw Online & Offline UPS???

4 Answers   Emerson,

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Why in earthing, the earthing plate is put in vertical position? and further what is soft coke that is used in earthing?

3 Answers   Wipro,

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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What is MPCB, MCCB, ELCB, RCCB ? Explain them ?

2 Answers  

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Why the output of OP-AMP is always less than Vcc?

0 Answers  

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How to design constatnt power source with variable current and Voltage.

2 Answers  

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