| Other Electrical Engineering Interview Questions |
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| Question |
Asked @ |
Answers |
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| what is the HT motor current setting (Motor protection
relay)aganist FLA If the capacitor is connected in parallal
to the motor to increase the P.F from 0.89 to 0.99.
the setting is to be reduced. what is the formula for to
calculate the current.(FLA - CALCULATED CURRENT!= ) |
| 1 |
| How to calculate Busbar Thickness for Different type of
HT/LT panels |
| 1 |
| When a 25kV line touches the train, will passenger get
shock? |
| 3 |
| how we masure a cuurrent? |
| 5 |
| how much resistence in proper earthing? |
| 3 |
| What is the average hieght of a electrical tower? what are
the factors that are taken into consideration for deciding
its hieght other than voltage level? |
| 1 |
| What is the formula to calculate capacitor bank rating for
a certain load. |
| 2 |
| 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.
|
NTPC | 6 |
| At what load maximum effiecency will be obtained
Distribution transformer and Genarating transformer Pls
clarify? |
| 4 |
| how harmonics are generated due to nonlinear load & how
harmonic filters work? |
| 1 |
| what are different types of excitation in synchronous
generator,what is the difference between them |
| 3 |
| what will happen when square wave is fed into input side of
3kva transformer and what you will get on output side. |
Blue-Star | 2 |
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