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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

in case of induction motor when overload condition or any short ckt. why stator winding burn not to be rotor winding

2 4857

when we connect a ceiling fan to a inverter's output voltage, it give some noise, why?

Luminous,

5 12108

what is mean by hormonics & surge? and it's effects?

TCS,

1 3150

what is photo voltic cell,& what are the materials associated with that?and any spcifications like volts/cm etc?

1975

what is PID control in VFD drives?

AES,

1944

hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

2049

Why should we hire you over the others waiting to be interview?

2796

What are your future plans for the company if permanently employed?

2123

what are iron and copper losses

4 17332

WHY CURRENT DECREASES WHEN VOLTAGE IS INCREASED IN A CURRENT TRANSFORMER ?

Sterling Wilson,

5 11164

in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.

1 3845

What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

2281

the need of star to delta anddelta to star

2 5049

Do anyone know how can I calculate earthing for substation or do anyone know any software which I can use for this case

1 3923

What will happen if a dc source is given to a tubelight. Will it work or wont it work....

1943

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Un-Answered Questions { Electrical Engineering }

What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?

1974

can any tell me why slope 40% and 80% is calculated in differential protection?

1852

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

2090

i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2086

what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

5496

if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?

1845

bus bar design conditions and sizing pls tell me quickly

1866

what is the IPC ? & what the uses ?

1457

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1743

What are the site acceptance tests for power cables, DG Sets, LT panels & 30kVA UPS ?

2351

Classify milling machines.

1088

How to calculate the copper in HT motors if KW, RPM & Voltage is given

3167

what is difference between window type and wound type transformers?where we will use window type and wound type transformers?

2139

What are the factors which influence the choice of specific magnetic and electric loadings of a synchronous machine?

2048

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

2157

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