Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

difference b/w semiconductor and dielectric

2 13453

does any one know where we can purchase insulation oil for high voltage oil filled cables

2292

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

RRB,

3 5506

What is CBCT ? Why & Where it is used?

BCT,

14 86062

can any one help me? 1.what is corona extinction voltage&corona inception volatage 2.what is mean by CFVV?

KSEB,

1 13372

Why diversity factor are applied to the load?

2 9821

which type of breaker sould be used for different level of voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....

8 20235

what happens if commutator is removed in an dc machine?

3 6014

why maintain the Dg PF is 0.8? Explain?

4 15552

What is mean demand of the Plant?

2 4745

How can we checked Killo Watts of Motor & Alternator?

2100

What happen if we re-start H.T motor whose rotor is running at 40% rated speed. Is it will damage motor winding?

1 3495

If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 7467

without any theoretical calculations, can u approximately tell the current rating of a motor(above 30hp)working at 415VAC.

7 9448

what is meant by negative sequencing in power system.explain in detail

1 2446

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are the application of filter?

1019

Do Phase angle measurement have any application in freq/harmonics measurement? If so how?

1898

Why delta star trformers are used for lighting loads?

1147

what is the difference between transformer,converter and transducer

1637

what the principle of sincroscope?how it works?when it needed?

2260

What is the capacity of the Fastners 12mm?

2373

importance of reactive power management

1985

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2082

What is Annunciation?

1978

how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

2109

what is settable hystersis protection? If any body knows plz kindly post the answer..

2008

1. What is differential relay? How it operates? 2.How to calculate the Short Circuit Impedance in Transformer? 3.What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works? 4. While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply? 5. What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer? 6. Explain how you can give the overload setting to any Motor Protection Relay for a HT motors with formula and example? 7. Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient? 8. What should be the minimum and maximum ohmic value for earthing? 9. Why DC Currents are not used in transformer? 10. What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2239

what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1754

What is the vector group of a transformer,how can it be found out?

2009

what is level 2 automation?

3110

For More Un-Answered { Electrical Engineering } Questions Click Here