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

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 4709

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

2 5000

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!

2023

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

TCL,

1 5169

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

1 4966

why capacotors burnt out

GMR,

2 4581

which plant has high load factor

APTransco,

10 11227

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

Bhel, HCL,

2 4490

What does impedance in the windings of transformer signify.

Johnson Controls,

2 6667

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

1885

what is difference between vcb and mccb

APTransco,

4 7221

what is power?

1 4549

WHAT IS INERTIA,AND WAT IS TORQUE.

2151

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

1995

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

HAL,

2090

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Un-Answered Questions { Electrical Engineering }

How to calculate the sag of OPGW during stringing???

2539

What is the principal of motor?

1051

how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

1968

Actuality I have at home electrical panel with 220v 50hz, and I want to converter from there to 110v 60hz, to wiring on the half of my house. Also I like to keep another half of my house with the original 220v 50hz. What is the best and safety way to do?

1769

If one tertiary phase i.e. R,Y or B is earthed of a loaded type tertiary delta connected (Without load)of a power auto transformer, what is its advantage/disadvantage?

2031

Hoe do calculate the Cable size for Amps rating ?

2075

How can calculate the rating of a alternator for a given specific load with formula

2287

At what speed 1 HP motor can run an electric car of weighing 400 kg?

1521

do you have some of interview Questions in power and genrator section in general whith answers

2128

why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1664

What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1564

WHAT IS MEANING OF Gg & Gg IN hrc FUSE

3216

what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1957

What conditions are required for transformer to operate at low frequencies ?

1956

Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

2135

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