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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

difference between ac motor and dc motor

5 19886

why aggregate is placed all around substation ground.

9 14864

whats is MARX CIRCUIT?

1 10314

What are the earth resistance Standards of 66kv sub stations according to indian norms.

2 4305

what will happen when a bulb s connected btwn two phases of a three phase delta connected source?

6 9495

why ac supply neutral should earth not in dc (-)

2 6616

Which Kind of machines(in terms of poles) give the smoothest DC

1947

Which type of gas used in cylinder (VCB)?????

ICSA,

15 24388

If I want to use capacitor banks at HT (11 KV) side for maintaining power factor then which type of capacitor should I use? Plz give me the specification?? (I am using 1250 Kva transformer (11 KV/433V)).

2 10606

how to calculate lux level in out door (yard lighting) please expalin with a example

IVRCL,

1 5990

What is the major difference between cnc and plc. why cant we use plc instead of cnc

5 38356

What is difference between ball screw and lead screw.

2 9411

selection of conductor in different voltage?

TATA,

1 3451

What is the most accurate way of testing ELCB?ELCB is better than RCD?

GECO,

3296

what is MFD value in capacitor?I have 201 Kva load & reactive power is 150 Kvar. so how it is calculated?

IIT,

2 9315

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Un-Answered Questions { Electrical Engineering }

What is the unit of magnetic flux density?

1131

how we can calculate power factor in single phase & three phase ?thank u

1965

How can two 3 phase transformers of same KVA and Voltage be connected in parallel?

1822

What is trip and closing coil in cb? Why need of them

1466

WHAT IS THE DIFFERENCE BETWEEN GENERAL INVERTER AND SOLOR INVERTER TELL ME PLZ

2166

diff. between tension mode & speed mode

2281

What do you understand by avr?

1002

explain which quantities change in the starting and the and the running condition in induction motor

1391

What is steady state response?

1272

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

2601

why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

1400

Salient pole alternator is more stable, why?

2662

Explain the purpose of inductor in an electric circuit?

1084

Define open loop control system.

1065

WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

2276

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