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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why is a plain induction motor unsuitable for wide speed control?

2241

Distinguish between neutral earthing and equipment earthing?

7 29408

whis is the formula of converting KW into HP ?

14 32189

how to calculate compresor capacity?

2141

What is the "IS" for Rising Main?

APTransco, NTPC,

1 5490

Which type of drive is advantageous AC or DC and why?

5 6854

parallel operation for tansformer which condition fill fil for that

ITC Infotech, Suzlon,

11 13023

how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

Suzlon,

1926

Why the wave trap is put in Y phse only in switchyard?why not in other phases?

IAG Automation, REL,

1 7672

What is switching over voltage?

MEIL,

1 6338

what should be distance between two electrical earthing pit as per i.e.e

Badve,

13 102491

1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 6393

2- What are the percentages between excitation currents in phase (R, S and T) in ∆ and Ỵ connections in excitation Current test in transformers?

1967

3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?

1821

4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 11167

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Un-Answered Questions { Electrical Engineering }

How could a garment factory benefit from renewable energy

2723

Under wat condition statcom operates as an inductor for the transmission line?

1899

How does an oscillator differ from an amplifier?

1114

How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

1997

Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

1891

Why single phase induction motors are not self starting ?

1615

how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?

3210

i have flexible wire. size of conductors is 0.190 mm & no.of conductors are 48. then size of wire comes 1.37 sqmm instead of 1.5 sqmm . the what is tolerance for this size.

1756

What is meant by harmonic distortion?

1070

What is the working mechanism of OLTC in Power Transformers????

4296

What type of a DC motor would you use for a lift?

1031

what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

3989

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1681

Any Electrical Engineering jobs?Please refer for interviews. Thank you

1889

how mass curve differs from hydrograph.

1735

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