please send me last 5 year interview questions

0 Answers   ONGC,

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A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V

6 Answers  

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What is the difference between voltage transformer and potential transformer?

38 Answers   ABB, ETA, Maritime Academy, MSEB, Reliance Jio, Voltas, Wipro,

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Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

1 Answers  

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A 100 MVA transformer may be cooled with?

6 Answers   HCL,

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Ferranti Effect says that voltage at the receiving end is higher than that at the sending end. How is it possible?

4 Answers  

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What is meaning of star delta connection / delta star connection and which one is best and what is the advantage?

0 Answers  

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As we know,charged clouds(from which lightning stroke initiates)may be charged with either +ve charge or -ve charge. Now say one cluster of cloude is fully charged with +ve charge & another cluster is fully charged with -ve charge. In the sky these two cluster of charged clouds have come in such a distance that, if they come clouser by some few yeards then the lightning discharge will take place between these two cluster of clouds. Under such a situation an Aircraft came inbetween. what happend??

5 Answers  

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why should we india maintain frequency of 50 Hz.

8 Answers  

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Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?

2 Answers   NTPC, Student,

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what is purpose of using neutral grounding transformer in generators??

1 Answers  

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what is the diffrence between capasitor and battery?

2 Answers  

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