Answer / don

capacitor start: small ac electrolytic type capacitor (300 micro farad)
capacitor run: paper oil type capacitor (40 microfarad)

What are the classifications of oscillators?

0 Answers  

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define as synchronous generator

0 Answers   Enercon,

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why the perameters of secondary circuit are more important then that of the primary circuit of induction motor?

0 Answers  

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what is excitation/

0 Answers   ABB, Tata Steel Limited,

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what is the circutor?why we use it ?

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Based on CPI/CGPA they shortlist the candidates & than directly start Interview so there is no Written Exam or GD Only PI.Interview held @ MNNIT , ALLAHABAD On-Campus on 6th,Aug, 2007 & the Questions asked to me by Interview Board ( 4 People) are from HR/SummerTraining/BTP/Subject-core, POWER SYSTEM & MACHINE. time duration of I/V is about 15-20 Minutes. HR- Q.1 Name,hobbies & About family background ? Q2.What u know abt NTPC ?? Q3.Why u want to choose NTPC as ur Carrier's starting i.e power sector not any other Oragnisation or sector ?? Techincal Questions- Q1.What is the reason for transformer Noise ?? Q2.Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ? Q.3 Which Machine u will prefer 2 use if flammble gases are coming out at a place & why ?? Q4.What is relation b/w Transmission Lines & Communication Lines ? Q5.What is the maximum capacity Synchronus Machine & total powerGeneration in our country ? Q.6 In india Power generation is at 50Hz while in America its 60 hz ,why so ?? Advantage or disadvantage ?? Q.7 Maximum Generation Voltage in india ? Q8. What is the Voltage regulation & why its required n how much is permissible ? & causes of voltage variation ?? Q.9 Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? Q.10 Have u seen/ experience of any power plant/ industry related to the power sector ? so these are the questions which not too diffcult i think was asked to me.

6 Answers   NTPC,

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in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?

1 Answers  

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hi can anyone pls tell me the eee interview core questions asked in l&t

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in 31.5 mva power transformer how to set of wti and oti?

1 Answers   HMEL,

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Is HT capacitor rating connected directly to motor terminals , related to motor no load current?

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What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?

0 Answers  

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what is the difference between normal motor and flame proof motor??

1 Answers   PI Industries, SRF,

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