Answer / k.prakashchandra

HT metering includes transformer losses also

where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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We have three phase dg of 12kva rating.If the load of each phase is not constant.That means one phase drowning more load than remaining two phase..Then what will happen to dg?

1 Answers   Indotech,

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400Kv,can it be generated?why?

2 Answers  

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how diside ct mf exmp.200/5 ct

0 Answers  

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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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What effect of supplying stationary generator (800kVA) with 415V AC from 1500kVA transformer?

2 Answers  

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what need of NGR(neutral grounding registor)? What it works?

2 Answers  

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What is transformer break down voltage.And what is flash oil flash point.

1 Answers   HP,

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what is the function of RVT

4 Answers   RMSI,

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what the main difference of the 3 phase and 2 phase power supply??

3 Answers  

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In supply RYB are mentioned. But in transformers, why they are mentioning XYZ?

3 Answers  

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Why armour HT XLPE power cable required to Earth?

1 Answers  

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