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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what do you mean by earth fault in transformer?

L&T, UPL,

2 17707

In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

Power Grid,

1 6263

why two windings are using in single phase AC motor

3 9269

define power quality

1 4637

difference between alternator & GENERATOR

4 8476

exact difference between electronicsand electrical

5 6890

Please explain me about Relay curves and their sources to read ?

1813

How generating electric power export to grid from the generating station ?

1879

what is the conductor size in 33/11 kv line

Al-Thamer,

5 24855

WHaT IS THE CONCEPT OF INDUCTION LAMPS IN MODERN LIGHTINGS, and HOW IT WORKS TO EMIT LIGHT ( AS NO ELECTRODES ARE PRESENT ) ?" COULD INDUCTION LAMPS CAUSE INTERFERENCE WITH COMUNICATIONS INTO A STORE USING INDUCTION LIGHTING ? WHAT IS THE BENEFIT OF USING THE LOW FREQENCY INDUCTION LAMP , VERSUS LED , AND VERSUS FLUORESCENT, AND VERSUS ANOTHER KIND OF LIGHTING . THANK yOU MOISES GUINDI

2068

why there is a humming noise in transformer

Bhel,

8 11791

why we use the fuse in only one wire? althrough in ac current the current flows in both directions. why the neutral wire can be taken half the magnitude of phase wire while same current returns from neutral wire?

Bhel,

2 5152

how is reactive power controlled on the transmission system

2 4573

Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

1759

what are corona losses

Siemens,

3 6694


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Approach of a cooling tower is the difference between temperatures of what factors?

1144


Do inductive loads have distorted current waveforms ?

1945


As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1691


what is destructive and non-destructive testing of welding

1683


what is d check in dg 1500kva

2122


clarify types of motor operated valves and advantages

1899


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

2026


What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

2930


write a program that prints prime numbers from 1-20 in digonal form

2003


11 kV line deraction check by an Engineer.

1980


when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?

2078


Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

3378


What are books to be referred for KPTCL exam?

3683


How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

2280


EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

8271