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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how the harmonics are generated in transforemer?

IFFCO,

5 10539

What are the voltage values for LT,HT,EHT and other voltages??

INEL, MNC,

22 118172

Where there is voltage,there must be current.Is this right or wrong??

10 11348

what is the function and use of oil filled cables specify its advantages and disadvantages

Alstom,

7 28429

what type of cables exsisting in the world and how many types

Alstom,

9 13826

what is the difference between LATCH and FLIP FLOP

Wipro,

4 7237

what is resistor

9 10911

what is ground fault current? is there any current flow takes place through ground? is it possible? if it's possible whether it affect human beings on earth near the fault or not?

2 5914

WHAT HAPPEN IF GENERATOR TURBINE IF TRIP?

CEERI,

7 31488

EARTH AND NEUTRAL ARE JOINTED OR NOT?

7 11447

In neutral the current will flow or not?

17 41920

why series motor cannot be started on no-load?

6 26190

AT THE TIME OF INSTALLING THE POWER PLANT POWER IS TAKEN FROM NEARBY GRID AND GIVING THE SUPPLY TO THE GENERATOR WHICH ACTS AS MOTOR. WHAT IS THE NEED OF RUNNING THE GENERATOR AS MOTOR?

6 7622

why ELCB can't work if N input of ELCB do not connect to ground?

5 25244

Why in a three pin plug the earth pin is thicker and longer than the other pins?

LG, NTPC,

18 54211

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Un-Answered Questions { Electrical Engineering }

How to check the cable fault / hv test of transformer cable.

1837

WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1995

how balanced in star delta connection ?

2046

If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

1771

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

1574

In Power cable specification what is U0/U and Um.

3738

Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

1988

What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer

1843

What are the major reasons for balancing hydro-thermal mix?

1096

TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.

2547

Efficient electrical earthing in hard rock area

1522

Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

1663

What is the meaning of floating point earthing in battery backed systems ?

1984

Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

2096

What are approaches to tackle sedimentation problem of reservoir?

982

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