Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Application wise, where we should use AC motors and where we should DC motors?

Nespak,

1 961

Under wat condition statcom operates as an inductor for the transmission line?

650

In wat way the power compensation takes place when a statcom is connected in a transmission line

1 2609




what is mean by power factor

9 5353

What is the meaning of In,Io & Ir in Circuit breaker? How to calculate?

1 5017

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

UPCL,

2 5443

Which supply is using for train AC or DC & what is the voltage????????

16 22905

what is the type of winding connection( star or delta) in 1HP to 5HP motors. How to check the motor winding connections( star or delta) if not provided in the nameplate?

5 15922




the resistance of wire having length X M is R OHEM if i streched the wire to dubble length what will be the resitance

3 2037

pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

Essar,

1 2812

what is model question rrb junior engineer electrical gr.II

816


comparision between mcb,mccb,elcb,flcb,elcb in details

ABB,

1045

differtiate between energy consevation and energy efficiency..

L&T,

1 2066

importance of reactive power management

815


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Un-Answered Questions { Electrical Engineering }

how is the testing of an REF relay? what are the test REF circuit having?

711


I AM A ELECTRICAL PANEL BOARD DESIGN ENGINEER.IF I GO ANY INTERVIEW ,TECHNICALLY WHAT ARE QUESTIONS I WILL FACE FROM INTERVIEWER?

9530


What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

1606


CBCT selection

922


how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

1034






What is the actual calculation for transformer short circuit test?.

1107


How to calculate multiplying factor of dc energy meter

413


why is the power generator connected as star earthed or star earthed through reactance and what its features ?

444


for a 500 KVA connected load, I calculated 30% of capactor for power correction. Even after using 225 KVR capactor PF is not improving. What could be reason for low Phase correction factor?

737


i want to model paper for section engg.

836


i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

957


what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

2041


what do u understand about FACTS? how they are useful?

725


what is sevice settings for mccb?How can be it setted?

689


What is inverse definite minimum time lag relay? Where is it use?

1442