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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

Visa,

6256

can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V) to the output of 15KvA,3-phase online UPS(440V phase to phase)please brief.

1 5529

1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

TATA, Wipro,

5 7550

Pls mail me utility & Dg related question with answer

1752

how to calculate load if i have three phase & single phase connection from power transformer( in term of kw & kva).can i take single phase load/3 for total kw calculation

1 6168

What are all the problems occured while ac generator running in leading power factor at full load condition?

1 2484

what happen ,if generator will generate leading power factor?

CD, NTPC,

6 16984

why current transformer secondary side should be shorted ?

Areva,

5 12582

How RTCC works with OLTC

Siemens,

1 5075

Explain in brief description about the operation of DG sets.

Siemens,

2398

What are the types of earthing? Explain dagramatically.

Siemens,

3 7559

how mach PF mainten in DG

Siemens,

6 9700

what is mean by amf

Siemens,

4 9396

why we r fixing harmonic filter

Siemens,

3 5782

please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

Bhel,

1929

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Un-Answered Questions { Electrical Engineering }

Why are cables rated for 40 KA for 0.25 Sec fault current rating?

1905

upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.

2102

What is the function of attenuator in cro?

1159

How to minimize the eddy current losses?

1119

what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

1604

What is the classification of hydro projects based on installed capacity?

1148

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

2046

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

1826

what is the difference between electrical and electronic choke?

1911

which capacity of RCCB used for five thousand watt electricity load?

1826

For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

2291

I am EEE student i want to improve my core side skills.how cn i approach it?

2482

before synchronizing an alternator,power factor is leading ,why?

1516

why is control bus bi-directional?

2115

Write down the brushes of a de machine.

1847

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