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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

3 5567

I Have 100Ah battery with 650VA Inverter, i WANT TO TAKE a Solar panel to charge my battery, so please suggest me,what rating of solar panel(with solar charge controller) can buy for a load of 450w for 4 hours

Chevron,

1 5681

What is Star Delta Connection, where it is applied & what for it is used

Premium Transmission,

4 7914

working method of railway electricl loco in single wire 25000 volt

1 4190

A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 4147

DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

GE,

6 8542

in shunt clippers why a resistor is used in sereis with the input

2162

How would you relate your key competencies to this position?

2265

is it possible to start a motor in felid connected to a remote mcc

BIET,

1974

why is used for starters for staring motors?

Amrapali, L&T,

6 9626

why is fan rotating slow speed, what is the problem?

4 7621

1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

ICS Integrated Computer Solutions,

2259

why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts same result on 24Volts and with ground 12Volts only expert answer that thanks we can not ground the battery.

Etimaad,

2 5282

In a incandescent bulb, if the glass is punctured, and then power is supplied, the tungsten filament blows up with a flash.Why?

2 5371

xlpe cable 4 core nuetral wire is small why ?

3 5306

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Un-Answered Questions { Electrical Engineering }

how to calculation increase power factor for single phase

2345

what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

2044

Load break swicth maintenance procedure.

1815

WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.

2745

what is the significance of cabability curve of alternator

2268

How to connect the chemical earthing and complete process tell me plz

1913

what is the relationship between phase & neutral

2638

how to generator maintenance (A Check, B check,Etc)

2344

How does zener phenomenon differ from avalanche breakdown?

1218

i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

2205

WHAT IS MEANING OF Gg & Gg IN hrc FUSE

3340

1.what is the difference between ct and cvt? 2.what is the difference between pt and cvt? 3.what is the difference between relays and circuit breakers?

2809

how to calculate the fault in substation

2553

What is power relay?

1296

Mention how NPN and PNP transistor works?

1350

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