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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Is there any standard guidelines/Criteria to design NGR/NGT.?

2861

what is Real power and Reactive power ? what is difference between them ?

5 8610

why DC motor body is plain cover but AC motor is different like finse?

2 5875

how will be power factor while using the resistive load and Capacitive load?

3 5736

what is ups Paralleling? how is load sharing at that time ? what are the things we have to note that time?

1 4341

how is working the auto transformer?

1 4964

how is working the APFC when varying the load?

1 5623

what is static switch where it can be use?

1 3824

what is the cable size we can use for 11kv and 33kv ?

3 11578

What is rotating transformer? Which machine is used specifically as rotating transformer?

TATA,

3 7730

If the damper winding on the rotor of a synchronous motor is removed after starting what will happen?

IOCL,

7 14376

What is the working principle of VFD

HCL,

3 20089

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

3 13422

How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 5705

how to calculate single phase motor efficiency ?

Bhel,

2230

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Un-Answered Questions { Electrical Engineering }

What are the advantages and disadvantages of the ac motors?

1143

why we permissive overreach in distance protection.where it is applicable to use in long r short lines

2777

Both generator parallel condition shared load equally but one genrator taking ampere more than the other what are all the causes to make like this

1760

Why the arms of delta in a delta-wye power transmission system are kept constant??

1889

how do you choose the cable size as per amps rating & the voltage drop for the same.

1795

How to determine alternating current frequency?

1166

When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

1282

electrical ques

2148

While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

2102

how to determine Sq.mm size of finolex power cables.

2019

What is the resistance of the field winding of a d.c. Shunt generator kept low?

1125

what is spadar bar .why I use in DC generator.

1941

What is the distance between body earthing and neutral earthing.?

5047

what is the generator rating for 40 amp load of 3phase motor.?? 400v voltage of generator... plz tell me with formula its urgent...plzzz... and also tell me that this 40 amp at all phases mean 40 amp on red,40 amp on yellow,40 amp on blue...... or the total sum of that 3phase is 40 amp....

9276

Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

2259

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