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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

HOW TO CALCULATE LV CABLE SIZING?

L&T, MRF,

2 8521

HOW TO CALCULATE EHV CABLE SIZING?

L&T,

2 11097

WHAT IS THE USE OF EARTH SWITCHES?

L&T,

3 67359

HOW TO CALCULATE CT AND VT RATIO IN PRTECTION AND METERING?

College School Exams Tests, L&T,

1 26276

How to calculate % Impedence?

ISRO,

3 8611

In Railway,why we are used HT Line 25KV ?.why we are not used 11KV,33KV and others for This?

Airtel, BSNL, RRB,

37 45597

why dont we connect the two 12 V DC batteries in parallel, for an inverter (UPS)? is there any harm ?

6 9162

will we have to design the UPS differently for both i.e. if we want to connect the two batteries in parallel and/or we want to connect the two batteries in series ?

4 6821

what is neutral ground resistance relay? how it is helpful in protecting system?

5 8920

how to calculate of which rating transformer should be selected? take any example

2 6255

in a 740 kw dc seperately excited motor field voltage is constant about 17.4 volts and armature voltage is500 volts dc. how it is possible to have two different voltages from single transformer of output voltage 500 volts? if any difficulty in question contact ajitsingh.kadian@gmail.com

1 4409

is it possible to step down voltage of single phase from a three phase sysem? explain

2 4262

how does ELR works? explain

2628

what is diffrence between primary & secondry transformer?

3 6035

IS there any mechanical connection between the field winding and armature winding of a dc generator?

IOCL,

11 16338


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1910


hi, i finished b.tech eee in 2008, im worked in dg sets mfg company , now i left job in 6months back, now again i want get job core side, how can i get? is there any couses we have learn to get better oppurtunity? /

1931


Pl. give me checklist for installation & commissioning of machine tool.

2257


I am inpecting a 10kVA UPS what tests should i do and should i observe?

2183


pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

1973


What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1767


In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1372


What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

1689


how to control dc motor?

1872


what happens to the supply voltage if there is any change in frequency?

6362


Can anybody tell abt concrete encased earthing or grounding?

2020


how to carried out DAR test in 11 KV Alternator ?

2263


hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?

1929


Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

1300


How to test lightning Arrester?

854