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 5468

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 14995

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

2 3886

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

2 3863

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 3795

Simple calculation of improving power factor?

5 8680

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 5890

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 6718

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

1 3771

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

2 4084

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Un-Answered Questions { Electrical Engineering }

Q: How to calculate Transformer losses , tell us by Formula.

2074

suri transmission

4749

What is gain margin?

1080

how to calculate the distance relay faulty zone?pls explain?

2046

What is current & voltage ? Voltage perform at any load without current or not?

1880

why servomotor motor? where i apply for best output?

2037

why star point of HT motor not earthed?

2277

how many synchronous motor are there in any power plant

1998

What is reverse power relay?

1182

how to wiring it with contactor and timer together

1850

How to run a three phase motor into single phase........

2000

How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

2192

Hello everyone, somebody knows what is a "surplice power" ? The hole phrase is: "This rating is appropriate for a generator set paralleled with an infinite bus e.g. a national electrical supply network or grid where the generator set is run at 100% load, 24 hours a day, 365 days a year and any surplice power is exported into the grid" Thanks in advance.

1780

how we provide neutral earth on synchronising panel as per electrical standards?

2096

the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

1848

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