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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is LSIG ?

Apollo Power,

6 58236

What is C-factor?why it is required to consider in fault short circuit calculations?

2 9867

What is mean by discrimination of circuit breaker ?

1 2539

What is mean by ideal infinite bus? Why it is required to consider in fault short circuit calculations?

1 3950

What is Energy based relay coordination & time based relay co-ordination? In which type of distribution arrangement these methods are applicable?

1 2599

what is the difference betwteen overcurrent and short circuit fault?

3 4420

Where all & Why resistance grounding is required?

1 2445

What is the voltage violating limit to be considered for load flow study? What is acceptable deviation limit according to relevant standards?

1 2489

What are the loading factors to be considered for transformer sizing/selection?

3 4607

What is mean by % impedance of transformer? detail explanations expected.


1 3881

What is mean by making & breaking capacity of circuit breakers?

3 13306

Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?

1 3687

Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

Indian School of Mines,

9 15227


1 2510

How can we calculate ngr resistance for a generator and Transformer ? What type of transformer requires ngr ?


5 35959

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Un-Answered Questions { Electrical Engineering }

What are the specifications for conducting earth leakage test as per IEC standard?


what is the voltage between earth & neutral in 3 phase electrical connection.


Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?


Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?


why transmission is only 3 phase and not 2 or 4 or poly phases


How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva


How to calculate or formula to calculate rhe power in 2 phase system ??


71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit


Define phase lag and phase lead?


What are chief characteristics of state-space method and its techniques ?


How many sprinklers should be in one pipe line?


What is resistance reading of earth copper rod with grid and without grid?


what are the principles of a booster converter?


I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....


what are your career plans upon completion of the programme and the relevance of recity generation to your professional development?