Answer / bidu

inner part-carbon.
outer part-ceramic.

How to reduce -234126219.6403 MVAr generation and by what?

0 Answers  

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what are the type of transformer?

4 Answers  

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What is tranformer differtial?

0 Answers  

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What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

0 Answers  

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how to calculate the bus-bar size. give formula with description

1 Answers  

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HOW DO I CALCULATE THE SETTINGS FOR THE DIFFERENTIAL PROTECTION OF A 12kV/6.6kV, 6MVA,DYN11 XMER WITH PRIMARY SIDE CTR 400/1 AND SEC SIDE CTR 600/1?

0 Answers   Adhunik,

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how we can improove power factor?????????

8 Answers   TATA,

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how the capacitor work on dc?

1 Answers  

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FOR WHICH FAULTS OR CONDITIONS DOES A TRANSFORMER DIFFERENTIAL PROTECTION DOES NOT OPERATE???

10 Answers  

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I am working as a software engineer for the past 4 years. I am interested to do M.tech in premier inst. like IIT, IIIT, NIT,... I am preparing for the GATE exam for the past 2 years. Can anyone tell me how about the placement in IIT's for m.tech in (microelectronics and vlsi or electronics related discipline). Some of them are telling like placement is very rare for m.tech electronics. Also the placement details in IIT websites are not true. Is that so ? can any one help us regarding this.

1 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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why core losses are affected with change in voltege in transformer?

1 Answers   HCL,

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