Answer / umesh ranjan panigrahi

If it is a 3-phase squrel cage induction motor then by
adding external resistance in rotor circuit we can control
speed as well as torque.

What is the Difference Between choke & ballast

3 Answers   ABB, ICS Integrated Computer Solutions,

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what is current check gurd relay?

0 Answers   MRF,

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What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

2 Answers  

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Which of the following connection is best suited for 3-ph, 4 wire system A delta-delta B star-star C delta-star D star-delta

2 Answers  

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what is the ATS .And how it works.

0 Answers  

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1 sq mm conductor=? how many amps

3 Answers  

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

0 Answers   CCP,

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A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?

2 Answers   Bharat ITI,

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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what is slip ring startor

1 Answers  

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HOW TO CALCULATE EHV CABLE SIZING?

2 Answers   L&T,

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