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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How can one connect three source of electricity in a house..the source are 2 gen and one electricity.

SAUDI ARABIAN BAYTUR, Wantro Technical Services,

2 6014

Why we use Fuse in transformer in secondary side.Why we dont use fuse in primary side?

Care,

1 4433

how can i change the rotation of the AC single phase induction motor and show me by diagram

1754

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer

1765

how do you choose the cable size as per amps rating & the voltage drop for the same.

C&W,

1744

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

1908

how to calculate the phase diffrence beetween given two equetion y= 15sin(wt+pi/3) and y=10sin(wt-pi/4)

1 3105

how the speed decreases of a generator in power station if load increases

Tata Power,

1 4782

Why consider motor rpm to select capacitor for motor

KSEB,

1 3399

How many percent of power are not being registered if we bypass one side of the meter base terminal using #8 cu wire on 1-phase kwhr meter.

1 2819

in dc shunt motor if field winding is shorted then

1800

in dc series motor if field wdg is shorted then

1816

in dc shunt motor if armature wdg is open then

1 2892

10rm cable can got load ---- amp? Or Which Size Cable can take the load 100amp capacity SCR; breaker.

B-Con Trade Associates,

1 3435

3ph line voltage 220v, how can run a 220v single ph motor or Light?

2 3451

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Un-Answered Questions { Electrical Engineering }

Explain the functioning of diode?

1031

How can we find the breaking capacity of a Load breaker switch (LBS) fed from 11 kv supply??ex:50KA, 26kA etc???detailed step vice answer pls.

1977

what is the difference between vector scale and vector diagram?

4391

stand by earth fault protection (51G) for transformer rating 2000 kVA,Dyn11,33/0.400 V. LV NCT ratio and necessary resistor and metrosil values how to calculate

2761

What is difference between Harmonic and Non harmonic Capacitor Bank?

2857

Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

1349

how to find the resistance and gap volatage of the diode??

1998

HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.

2187

why occ characteristics curve in not tracing back when we are bringing back the rhoestat?

1824

What is the resonant peak?

1133

I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

2050

Enlist four components of electrive drives.

1787

What is purpose of reactor?.What is different between line and bus reactor?

1906

DC transmission

2022

How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

1062

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