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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the basic diffrence between Electronics & Electrical engineering

13 18262

Why we use Carbon & graphite mixxed brushes in the DC motor?

6 17379

If carbon brushes spring tension either loose or tight, what happen on Motor performance During Full load Operation?

Electrex, HP, TATA,

5 10240

Why in DC drive u r using in Klin operation in Cement Plant?

7 22470

Why use prefer Dc drive in place of Ac drive for kiln Operatio in Cement Plant?

Orient,

4 12582

why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?

Accenture, Bhel, Reliance,

6 16139

who invented electricity?

L&T,

20 25313

during positive and negative half cycle of ac supply what happenes in the load?

Siemens, Wipro,

1 6416

why do we generate sinusoidal ac?can we generate some other waveforms by alternators?

Siemens,

11 19166

What is the unit of vaccum?

Manhattan,

14 22931

Why Hg means mecuiry used in vaccum mesuring unit?

Manhattan,

2 7024

Do you know how to measure the earth resistance?

Manhattan,

7 15698

whether a separate starter is used for a motor while it is connected to a vvvf panel?

2 5275

What is Torque Vector Control in VVVF Drives?

PEL, Schneider,

6 17361

what is the use of choke on tube light fitting

Bhel, Dharma, HSBC, TCS,

37 81112

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Un-Answered Questions { Electrical Engineering }

What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

3596

What is the Resposiblity of Electrical Utility Engineer

2926

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

1937

what r the checklist while installing 500 kva transformer

2330

How much pf maintan in dg set in 6o% load,when Dg runnig Neutaal Earthing removed what happen.

1972

Single line digram for 11 kV to distribution use go,la and do

1819

what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

2184

What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

1637

I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1829

how does this job compare with others you have aplied for?

1651

Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed

1535

how point on wave controller works.

2605

what is gas turbine intercooling ?

2110

th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.

1967

what is difference between elr and R eartl realy.

2636

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