Answer / a.p.nanjappa

As your DG is a small capacity,it is okFor large DG ,dg
founations are earthed. rubber pads reduce the vibrations.

Please send 110 kv sb station full single line drawing(sld)

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 will happen if synchronous machine rotor fed from single phase ac supply 

0 Answers  

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why the motor is rated as kw& transformer as kva

7 Answers   Areva,

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how to calculate units consumption for a 12 hp motor /hr.

0 Answers  

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difference between relay and solenoid?

2 Answers  

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a.c&d.c motor&generator

2 Answers   Vizag Steel,

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

0 Answers  

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suri transmission

0 Answers   Bhel,

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How can we calculate the current if we have load in KVA and if the load in KW then what formula will be use for calculating the current. please give both the formula for calculating the current.

3 Answers  

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what is the uses of C.V.T transformer in switch yard?

4 Answers   L&T,

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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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