Electrical Engineering Interview Questions
Questions Answers Views Company eMail

WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

L&T,

1556

explain Uninterrupted power supply detailed electronical operation with circuit diagram

Emerson,

1 5847

requirements for making parallel operation of Uninterrupted power supply

Emerson,

2 4717

What is the significance of 3.5 core cable ????

Intelux Electronics,

8 20119

as per standards how many neutral earthings and body earthings are needed.please help me

2 3833

arcing is due to only capacitance or it is due to both inductance and capacitance? explanation.

2 3433

what is the back ground of transformer working? applying voltage to primary and emf inducing in primary and secondary? how it is possible? please answer me with scientific approach?

5 5094

in industrial lighting in each circuit how many lamps can be given? and how much load can be put on each circuit? is there standard for this? please help me with the standard description?

3 4375

why use delta star x-mer in distribution system.

3 11369

What is ment by KVAR and what are the advantage&dis- advantages of KVAR

2 11307

What will be the current after disconecting the bus bar or cable before discharging ?

Sodexo,

2 4808

which type of amplifiers are used in multimete?

NTPC,

1632

How to measure the Harmonic Distortion of UPS ie THD?

MG Tech, NIC,

1732

Best way to measure the Soil resistance of rocky soil, three probe method and four probe method

1440

Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???

1437


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Un-Answered Questions { Electrical Engineering }

What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?

2279


design of IGBT firing circuit for 11KV

2091


CAN U PLEASE TELL ME SOME G.D TOPICS FOR APGENCO INTERVIEW&G.D

1931


Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1167


Why are lt windings placed near the core?

638






which of the following elements is not present in stainless steel

2014


what is difference between line differential and transformer differential?

1228


what is the ground fault relay,which purpose it will be use,clearly tell me plz

1571


what is earth fault relay 64T, why it is used in main Incomer and neutral CT of Transformer.

2953


what will happen if frequency is below 50 hz?

1552


What is difference between safe PLC and normal PLC

980


what is the electrical?

1629


Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

1666


can i use 4 number of circuit breaker as single phase manual change over switch? if yes then how plz also send ckt diagram at nazimzamurad@gmail.com

1614


What is critical disruptive voltage?

829