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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.

Bhel,

2 11019

Sir I want questions for rrb sec technician gr III (electrical)

RRB,

1 5843

wat is the difference between BE &BTECH.

8 12760

what is meant by ceiling voltage, ceiling current?? pl reply asap

4 24111

How regulator control the fan speed?

4 24109

i need bhel question papers.

Bhel,

5 12162

generaly all power generating devices is expressed in KVA or MVA then why power ststion is expressed in MW

6 14064

why skin effect is decreases with decrease with frequency? why skin effect occur

Kirloskar,

5 15870

Can anyone tell me how a 12v battery is transformed to 20,000v at the spark plug

6 17271

What is the difference between reciprocating & rotary motors in AC units, which is the best one in terms of operation.

MacLellan,

2 12583

how to select cable size?

7 24021

what is the different betweem earthing and neutral?

8 13375

what is the term of desruptive voltage

Bhel, Energy Infratech,

5 10871

can induction motor run over the rated speed ?

ACC,

12 18252

Using 11000V/433V,3 ph,50Hz,500 KVA, what is the maximum capacity of motor in KW that can be connected and started at a single moment? Also explain about any calculations and formulas used in deriving the same.

4 8178

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Un-Answered Questions { Electrical Engineering }

how you configure motorvision relay (L&T make)from DCS

4891

WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?

2171

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1680

how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec.

2273

Why the efficiency of generator is more than motor in swinburne's test

2022

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1782

what is meant by the phrase 'static load' in case of shorting in a generator excitation system?

2134

advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

1800

which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor

1983

How eddy current generation support the idea of train braking?

1997

HOW DOES THE ELECTRONIC ENERGY METER WORKS?

2164

What is installed in PAC that is control the humidity

1510

In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?

2093

I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

1916

At what speed an electric car can run with 2 HP motor of weighing 400 kg?

1822

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