Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what happen if the secondry winding of the transformer is having less no of turns compare to the primery winding.

2 3875

why the single phse machine can not run by the three phase supply.

2 4209

Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!

1559

what is the significance of positve n negative voltage regulation .on alternator

TCL,

1 4399

what is power ratio between star & delta connection of 3 phase induction motor

1 4323

why capacotors burnt out

GMR,

2 3836

which plant has high load factor

APTransco,

10 8800

power factor is max for which welding a.arc b.resistance c.gas

Bhel, HCL,

2 3632

What does impedance in the windings of transformer signify.

Johnson Controls,

2 5471

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

1434

what is difference between vcb and mccb

APTransco,

4 5994

what is power?

1 3369

WHAT IS INERTIA,AND WAT IS TORQUE.

1605

how to calculate voltage drop and followed by cable calculation?is there avail in formula?

1562

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

HAL,

1585


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Un-Answered Questions { Electrical Engineering }

upto how many load can v connect to stabilizer which is used for tv

1701


how to calculate IR value of 33KV cable ??

1313


draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2174


why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

2199


why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

1498






how meger function

2396


HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

1971


What are the function of different components of servo motor?

1533


-How do you select cable size for a given load at a given distance from source of supply. How do you find voltage drop.

1335


PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

2313


What are the electrical engineer roles and responsibilities in chemical plant?

1102


what is the significance of cabability curve of alternator

1772


is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

1444


with help of neat sketch explain principle of TIG welding process

1422


Could the power factor on electrical system can affect the registration of the kwhr meter or the CT/PT? 

1423