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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If we touch the Capacitor terminals you feel shock after the capacitor was put in operation and not in case of inductor though both are energy storage elements.why?

HAL,

4 10215

What is the full form of SON-T lamp?

HAL,

1 11738

When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1868

why we did not get shock by touching +ve OR -ve busbar (Which are going to supply cell voltage) of Rectifier- Tranformer in electrolysis plant?

4 7123

why we did not get shock by touching nuetral of any single phase supply of a electrical equipement?

6 12011

whats the necessary to correct the power factor using capacitive banks in industries?

2 4670

what instruments used for measuring of inductance and capacitance.

2 6845

can transformer work on dc or not?if we increase the inductance of transformer can it happen to work on dc?

1 3827

One VFD is possible to connect two motors at the same time?

2 6976

how to save the power?

2 4560

How many different speeds can be obtained in cascade control of two induction motors?

1 3064

how harmonics are generated due to nonlinear load & how harmonic filters work?

1 5159

why we are using earth pit in sub stations.?

2110

What is the difference between generator and turbo-generator

iGate,

5 23174

1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 5173

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Un-Answered Questions { Electrical Engineering }

how many safety really of DG sets.

2188

in my industry we are using 3 step up transformers for induction heaters..i.e 415/580v and other are 11/440v.in power consumption does a step trnsformer makes any difference compared to step up?? plz explain

1824

What is mean by STUB protection?

2015

How many kw will suply from one db

1529

What is the difference between Droop vs Isoch Control?

2393

What is order of the system?

1086

What is meant by RVT and NDR ? expansion and details of it

2990

why is a power transformer used only occasionally?it is used to step up at generating stations?and that needs to be done all day long !!!!!!!

1842

plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

2136

how we can set the IDMT relay.

2175

How equivalent impedance is calculated in thevenin theorem?

1102

If you have an earth with pilecap then your resistance is really low. why and how?

1953

What is Phase margin?

1076

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2858

What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

1753

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