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why wave traps are placed only at y and r phase?

3 Answers  

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What will happen if v use DCP Type Fire Exingusher on a Server Chaisis???

1 Answers   Emerson,

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What is multiplying factor of meter if the meter ctr and ptr is open type?

1 Answers  

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Is reverse power relay of generator operate due to voltage variation problem? please clearify.

1 Answers   Birla,

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Why do you use an isolator on both sides of the circuit breaker? ( shortly answer)

2 Answers  

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what mean by power factor

2 Answers  

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Define delay time.

0 Answers  

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An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.

0 Answers  

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for 1000kva transformer how kvar rating is need for this PFI plant. and how does it will calculate? and Apmpere rating of main cable connection?

6 Answers   Engineers India, GCC, KP, QPSL, Siemens,

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Wtat is mean by GHOAST VOLTAGE?

3 Answers  

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What is meant by bus bar protection?

0 Answers  

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What is difference between wire and cable ?

3 Answers   Havells,

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