Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why energy storing capacity of magnetic field is much higher than electric field ?

1 5770

we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1579

types of transformers?

Torrent Power,

1 4190

we the the value of frequency is 50 HZ in DG then why we said the value inductive rectance is zero in DG?

1 2712

we know the value of the power factor is 0.8, we know the power factor is not depends upon the load ,then why we cant design the power factor in transformer ?

1 2035

diff b/w elcb and rccb

1932

Y phase plates are used in transmission line??? what is there need???

2537

How to know of any cable size if there are not written on cabl?

APGenco, El Seif,

1526

How to know any size of cable if there are not written on cable? Answer must be theurical not by experience.

El Seif,

1757

How much must be gape bitween 2 cable on cable tray?

El Seif,

1 2194

I NEED THE CABLE SIZE. I=800A AND P=315KW

ABC, Wipro,

2 5201

why phase plates are used in transmission line????

1 5357

Why squirrel case induction motor bar is skew permanently?

Nesco,

1 2513

Why does the rotor rotate?

Elin, OPTCL,

1911

Why does the rotor rotate?

Machino Polymers, OPTCL,

1 3670


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Un-Answered Questions { Electrical Engineering }

what is dry and wet frequency withstand voltage? why & where it is used??

1870


Differentiate between kirchhoff’s first law and kirchhoff’s second law?

710


what are the specifications we must look at to select a relay for any capacity motor?

1647


defination of transistor controlled series capacitor

2281


Circuit diagram of tube light without starter using electrical choke

3731






WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

1913


what is the circutor?why we use it ?

1911


WHAT IS THE MEANING OG (li = 7 In)

1692


what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.

1189


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

1801


WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB

2182


What are the advantages of speed control using thyristor?

731


HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

1592


What is the role of power pack in substation protection system?

2304


differnce between single acting and double acting solenoid valves

1489