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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why is the core of the underground cable is spiral in shape instead of straight?

Mecon,

8 10581

what s the differenc between electrical &electronis , how to define them

9 11559

how to define tell me about self

Bhel,

2053

Can anybody explain Why starters are not used for motor starting in industries?

9 11675

WHICH IS BETTER( FOR POWER SAVING)- ON LINE OR OFF LINE UPS ?

Punjab National Bank,

3 9185

If connected load of Asphalt plant is 375Kw. What suitable KVA DG set is required. What is calculation formula. what extra load have to consider. in what efficiency it will work.

MAHINDRA,

8 18188

what is the suitable voltage of transmission line to transmit 10000w power through 250 km. (a)11kv (b)33kv (c)66kv (d)132kv ]and please tell me whats the logic behind it

ONGC,

7 21569

tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

ABB,

10 18069

what is reactive power ? what its role in transmission lines?

Thermax,

3 12904

Why we are mostly using a single 3-phase transformer instead of three 1-phase transformers?

7 12740

what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

KSK Energy, Reliance,

4 72652

WHY WE ARE EXPRESSING KW-HR AS UNIT OF ELECTRICITY.........?WE CAN EXPRESS IN ANOTHER UNIT.....?

Summit Power,

4 8373

why current increases when voltage decreases in ac system

10 28649

How does a star connection and delta connection work? How does the star connection save starting current and how does it change to delta?

3 12642

how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????

ABB,

11 37710

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

What is the capacitance values of 132,220,400 & 765 kV current transformer

1995

Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

2230

What is knee point voltage?

1204

What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

1186

which stabilizer is better ? AVR, Servo Stabilizer, Static stabilizer etc & why explain it

2921

what are the main applications of transistor in non-linear region?

2119

explain the functions of main isolation switches

1725

how point on wave controller works.

2652

What is the function of RCBO? What are the different sensitivity ratings & each application?

2881

define displacement & magnitude ?

1890

working principles of cf lamp,incandescentlamp and f lamp?

2314

PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

2491

What is the main cause of magnetism?

2134

why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2864

hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

2973

For More Un-Answered { Electrical Engineering } Questions Click Here