Electrical Engineering Interview Questions

Write the formula for Fault MVA, Fault current, Base MVA.

19840

# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

HPCL,

828

In all the generators, the excitation supply is DC. What is the significance of DC excitation? What will happen if AC supply is given as excitation supply?

2677

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

BSNL,

772

What is the Harmonics??????????

4924

where used impendence relay?

2908

What is SF6 Circuit Breaker?

16665

i want prepare power grid exam what are book we want refer for electrical ?

9996

how can we measure 220kv or more than these voltages ...?and also how can we conform whether we r getting 220kv from generating stations throuth the h v transmission lines?

1791

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

BSNL,

787

In all the generators, the excitation supply is DC. What is the significance of DC excitation? What will happen if AC supply is given as excitation supply?

9114

How shall i design a liquid rotor starter

1679

what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

712

4430

how can we can take BDV test in transformer?

39716

Un-Answered Questions { Electrical Engineering }

What is the difference between diesel generator engine with and without turbo charger with the same capacity?

426

I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

730

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

273

What are the classifications of heating element?

727

What is rotating magnetic field?Discuss elaborately.

1363

how does WTI work ?

702

hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible

571

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 !!!!!!!

628

how to compute kAIC?  with formulas...

2022

How Self works in DG set

511

1691

Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss

1866

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

1533

1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

761

how ups works ? various parts of ups and working principle

682