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Can anybody tell abt concrete encased earthing or grounding?


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More Electrical Engineering Interview Questions

how to test vector goup of Dy11 transformer

1 Answers   APPSC,


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,


what is torque & how it will produce & what is the formula for that.

2 Answers  


IS HI-POT TEST DONE ON A TRANSFORMER - YES OR NO? WHY?

4 Answers  


WHAT IS MVA RATING OF KOTHAGUDAM THERMAL STATION POWER TRANSFORMER?

2 Answers   CESC, Power Grid,


does frequency affects the load? if yes elaborate it.

1 Answers  


when we put inducter in neuteral grounding of genrator.

3 Answers  


1.Is there any difference between terminologies,HT-HV &LT- LV? 2.What is the highest transmission voltage level in india?

5 Answers  


when the Transmission and Distribution network where is the "feeder" lines are located? and why should be used in T&D network.....

0 Answers  


Please give the formula for converting from 1 tr refrigeration to kw.

2 Answers   Bugema University,


WHAT IS DEAD END IN PROTECTION?

0 Answers   Ispat, L&T,


Why P.f. of the system decreases when it is connectect across induction motor? & how to maintain the p.f. of system to unity.?

6 Answers   Reliance,


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