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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

low voltage distribution is done by a)3 phase 3 wire b)3 phase 4 wire c)single phase

3 5474

why u want to work in sail/ntpc as u r already in an it company where life is good, good environment no much tensions etc?

Sail,

6 14997

% voltage variation in distribution a)1% b)5% c)10% d)15%

2 3890

which turbine has high thermal efficiency a)open gas turbine b)close gas turbine

2 3865

What is the application of Dyn1 and Dyn11 vector group of transformer?

2881

why we r used DC megger insted of AC megger?

Adani,

1 3797

Simple calculation of improving power factor?

5 8687

What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

L&T,

2169

WHY THAT THREE COLORS CHOOSEN IN 3 PHASE? WHAT IS MEAN BY RYB?

2 5892

how many bulb of 60watt at 300volt is used to maintain 0.25 amp.with valid reason?

Cords Cable, TATA,

4 6233

What happen if ac supply is fed to rotor of the alternator?

1 3426

When dc supply is fed to rotor of the alternator how it work?

2065

When a fourth resistor is connected in series with three resistors, the total resistance

ITI,

1 6720

When one of three series resistors is removed from a circuit and the circuit is reconnected, the current

1 3773

All the voltage drops and the source voltage added together in a series circuit is equal to

2 4087

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Un-Answered Questions { Electrical Engineering }

What is boucholz relay and the significance of it in to the trformer?

1148

Details about Flux Compensated magnetic Amplifer starter for motors

2018

what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

3809

What is the control action?

1147

what happen when we add mentos in cold drink?& why?

2058

what is high and low cut off voltage of BB and DG at SPS????????

1474

State ohm’s law?

1109

at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1791

how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?

2165

Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1931

Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1884

How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

1557

acb(AIR CIRCUIT BREAKER)NOT CHARGING AUTO

2398

State any two nuclear power stations in India, with their generating capacity.

1891

Can clean earth cable be considered as low current cable

1967

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