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 5587

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 15227

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

2 4001

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

2 3987

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

2938

why we r used DC megger insted of AC megger?

Adani,

1 3862

Simple calculation of improving power factor?

5 8884

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,

2239

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

2 6002

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

Cords Cable, TATA,

4 6415

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

1 3500

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

2110

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

ITI,

1 6823

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

1 3841

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

2 4219

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Un-Answered Questions { Electrical Engineering }

How stabilizer works??

2160

What is signal flow graph?

1150

What is phenomenon of electromagnetic induction and how it works?

1126

how to commissioning the genset with amf panel?

2450

importance of reactive power management

2083

why high speed tripping relay will be used in tripping circuit why not normal relay

1427

How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

2266

how to find the Motor,s insulation Power?

1846

How to calculate the fuel consumption for 600kva DG genset which connecting with 25%load?

2183

Why colled 440V to 3-phase supply.

2223

wHAT IS CAPACITANCE LATCHING? hOW TO CALCULATE CAPACITANCE LATCHING? hOW TO SOLVE THE PROBLEM IF CAPACITANCE LATCHING APPLIED?

2052

Post possible questions for Power Factor Panel FAT / SAT

1455

state the disadvantages of carbon filament???

2993

An automatic water heater is an example of which type of control system?

1227

Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

1984

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