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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

2182

What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

Neutech, Power Grid, TSSPDCL,

22 101781

how to test vector goup of Dy11 transformer

APPSC,

1 15751

what is the differance between ac induction motor and ac synchronous motor?

5 11234

i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1974

PLEASE EXPLANE WHAT IS " MOSFET AC CONVERTER"? WHERE AND HOW IT IS USED?

2 5653

relation between voltage and frequency.

IIUI, Lucky Cement, Reliance,

5 45569

Upto what extent, the lagging power factor can be improved with the help of capacitors?

6 9041

Why DC excitation is used for alternators? Why cant it be AC?

ABB, Ace Info, Alstom, Shalivahana Power,

35 79247

1. What is the difference between ac induction motor and ac synchronous motor?

11 25467

hello everybody...i m an Elelctrical Engineering student.. i m in final year.. i m attending IOCL interview on 2nd aug. kindly let me know on wat subjects to concentrate more...any body who has attended the interview can help... others can also post their views... thankyou.

3 5319

identify the components of the tube light and explain how they function???wat is inside the fluroscent tube???how it works???

NTPC, TPL,

7 51744

What is difinition of HIGH RESISTANCE FAULT and LOW RESISTANCE FAULT?

3 37025

why dc power can not be used in transformer?

GE, Sail,

33 70505

what is the differnce between ac and dc?

5 8377


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2771


he compression ratio for a petrol engine generally lies between

1371


why do we use spark detector inside the slip ring brush compartment 0ona slip ring induction motor?

2153


What is the disadventage of gland earthing(power cable) if any. ?

2184


What is the difference between vector surge relay (78) and Pole slip relay (98G)

1264


1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

2115


whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

1658


What are the different methodes for calculating the short circuit Current?

2113


Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

2235


hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

1973


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

1963


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

2211


I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

2138


As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

1884


How it can worked plc based electrical system And which type of software using.

2155