Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

2352

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

5 6444

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

2 4747

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

3 4514

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

1 3558

how is working the auto transformer?

1 4267

how is working the APFC when varying the load?

1 4845

what is static switch where it can be use?

1 2851

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

3 9954

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

TATA,

3 6501

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

IOCL,

7 12311

What is the working principle of VFD

HCL,

3 18810

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

3 12011

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 4808

how to calculate single phase motor efficiency ?

Bhel,

1501


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Un-Answered Questions { Electrical Engineering }

how are reversing the direction of dc motor

1184


ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

2933


What are the necessary components of the feedback control system?

714


What is inrush current? how can calculateit? what is the affect of it?

1523


Why cables and busbar both needed in LT Panels?

1725






Transformer diagram mention each parts ?

1565


How does an oscillator differ from an amplifier?

651


how to discharge 3 phase power factor correction capacitors

1945


What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

1461


from which formula we select a capacitor rating?

1608


What is inductance?

658


Wind mill

1399


how to copy from plc ge fanuc versamax series,all input and output, adress, and printout.

2027


Why synchronous motor is used in power factor improvement,dc series in lift

1172


a starter used for squirrel cage induction motor?

1200