what is the diference beteween dedicated earthing & body earthing?

1 Answers  

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WHAT IS DIFFERENCEN BETWEEN CURRENT AND VOLTAGE?

5 Answers  

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effect of decrease in excitation?

2 Answers  

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Why we check only first column of root locus..?

1 Answers   IES,

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Can i use to 3 phase 4 wire energy meter inplace of 3 phase 3 wire energy meter ?

4 Answers  

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give me battery AH calculation in U P S

1 Answers  

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ful form of gis

2 Answers   ABB,

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what will happens if one phase is missing for 33/11kv power transfomer and why?

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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if we install two earth pits with a clear space of 5m without any interconnection,by checking the digital multimeter will it show continuity between earth pits? If so what would be the approx. value

0 Answers  

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what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

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Why single phase induction motors are not self starting ?

0 Answers  

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