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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the deffrence between Siemens S7-300 & S7-400 PLC?

ADC,

4 33056

Which Programming software are use for Allen bradley PLC's?

ADC,

16 27968

what is the difference between ac and dc generator

14 43131

what will happen when choke in tube light circuit was not working???

7 17342

what is the use of starter in tube light?and what it contains

L&T, RRB,

12 50532

How to calculate the transmission losses incase of overhead transmission lines?

Jindal,

6 13553

what is the different between second harmonics and third harmonics ?

1 4748

what is advantage in open delta connection?

20 73224

why are we maintaining some specific gravity in battery ?

5 9322

how do you test the capacitor bank ?

Essar,

12 39044

what is the procedure for cable sizing or on what basis we will calculate the size of cable?????

ANG, Focus, Mecon,

6 22278

How to take vector group test for Ynd11 transformer.

Voltech,

2 13925

How silicon gel sucks moisture in the transformer, its have any small exaust fan behind silicon gel.

4 7827

what is the function of starter & choke in the tube light set & how choke give 1000 volts while switching on.

ADNOC Abu Dhabi National Oil Company, IBM,

14 86877

How transformer winding & oil gets heat.

3 7067

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Un-Answered Questions { Electrical Engineering }

HOW TO TEST A LIGHTENING ARREST ER ?

2252

I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

1464

Difference between a pilot wire and a normal conductor?

2092

Dear sir, I completed DECE In the year 1995.Now i am working in a private company from last 10 years as an Electrical supervisor.The company having a 1000 KVA transformer.Now i try to apply "C" Licence. I am eligible or not.If not eligible,pls give solution.

1798

we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

1521

why in the three pin plug all 3 pins are cutted ?

2074

how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

2091

How can maintain our H.T. motors used in cement plant. please send me procedure.

5191

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

2228

how can i get the formula to find out the cable size if i know the load of main fuse protection.

1988

what is the difference between fault current ant short circuit current?

2752

for 11KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV OH system what will be typical per KM "R" "L" "C" parameter. for 33KV UG system what will be typical per KM "R" "L" "C" parameter.

2544

what is a synchronizing lamp ?

1737

my bachelors was done with EEE now i got admit in NU with CS as course. how to answer this qns 1) why u choose cs? 2) why u changed from eee to cs

1848

How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1808

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