Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the basic diffrence between Electronics & Electrical engineering

13 9583

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

6 12233

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

TATA, HP, Electrex,

5 5734




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

7 14871

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

Orient,

4 7554

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

Reliance, Bhel, Accenture,

6 10138

who invented electricity?

L&T,

20 12081

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

Wipro, Siemens,

1 3689




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

Siemens,

11 10458

What is the unit of vaccum?

Manhattan,

14 9763

Why Hg means mecuiry used in vaccum mesuring unit?

Manhattan,

2 4175

Do you know how to measure the earth resistance?

Manhattan,

7 9338

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

2 2872

What is Torque Vector Control in VVVF Drives?

Schneider, PEL,

6 11227

what is the use of choke on tube light fitting

TCS, Bhel, HSBC, Dharma,

37 56217


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Un-Answered Questions { Electrical Engineering }

what are the difference between AC lamp and DC lamp

926


can i connect wavetrap in 2 different phase in EHV line?

627


What is the function of retrip in busbar?

246


What is formula calculation size cable wire ?

393


Plz tell me how we can find that particular company has vacancy or not

801






am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

622


Atwhat condition reverse power relay will act?

810


mention hazard experienced during installation

743


what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

856


what will happen if i connect 12 volt battery with 24 volt battery charger.

695


How to calculate multiplying factor of dc energy meter

390


how does high earth to neutral voltage affects electronic circuit?

185


How do I calculate/select Droop CT ratio for various capacity of generators?

1670


how to prepare the technical test

772


Why CBCT rating is 50/1A

1217