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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Application wise, where we should use AC motors and where we should DC motors?

Nespak,

1 2954

Under wat condition statcom operates as an inductor for the transmission line?

1902

In wat way the power compensation takes place when a statcom is connected in a transmission line

1 4355

what is mean by power factor

9 11354

What is the meaning of In,Io & Ir in Circuit breaker? How to calculate?

1 12202

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

UPCL,

2 7860

Which supply is using for train AC or DC & what is the voltage????????

16 35966

what is the type of winding connection( star or delta) in 1HP to 5HP motors. How to check the motor winding connections( star or delta) if not provided in the nameplate?

5 20467

the resistance of wire having length X M is R OHEM if i streched the wire to dubble length what will be the resitance

3 4769

pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

Essar,

1 4570

what is model question rrb junior engineer electrical gr.II

1905

what is CRGO Transformers?

MSETCL Maharashtra State Electricity Transmission Co Ltd, TATA,

6 32031

comparision between mcb,mccb,elcb,flcb,elcb in details

ABB,

2177

differtiate between energy consevation and energy efficiency..

L&T,

1 4030

importance of reactive power management

1994

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Un-Answered Questions { Electrical Engineering }

What is process of anneling transformer core

1923

How many types of protection relays are there based on the characteristic?

1042

What are the different methodes for calculating the short circuit Current?

2004

What’s electric traction?

1094

exolain the star delta connection

2642

what is basic difference betmeen normal & flame proof motor??

2129

HOW TO WORK A VFD?SAY SIMPLE METHOD

4338

What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

2780

iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.

2214

How to calculate Voltage regulation of 22 KV Over head Line.

1621

If Neutral Grounding Resistor (GR) failed/shorted. Is it repairable.

1577

what happen when we add mentos in cold drink?& why?

2008

What is the function of capacitor in electrical circuits?

1001

what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

2231

After doubling voltage from solar cells & use step down voltage transformer can we get high current output with low voltage.

1944

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