Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how moving coil indicator works?

1 1918

how LVDT works?

2 3974

what is an oscillator?

7 4020




What is a surge supressor why its is used in synchronous generators

736

what is High resistance grounding and whatis the criteria for the selection of High resistance grounding

MAHINDRA,

792

magnetic circuit consume energy

3 2412

1.generator rated as 1000 mva,11kv .8 pf what will 0.8 pf will indicate? 1.max pf it can supply 2.min pf it can supply like this 4 options there what is answer.explain

Power Grid,

5 9200

1.Why hydrogen used for cooling in generators 2.Why electrical equipment protected by ground 3.Why earthing for transmission line 4.What is rms value of half wave rectified square wave. If Rms value of actual wave 2amps.

Power Grid,

1 1264




PLEASE SEND ME NTPC RELATED INFORMATION LIKE WHICH TOPICS HAV MORE SCOPE,BOOKS TO READ,CUT OFF...PLEASE.mail at thiru.1203@gmail.com

713

why we use four type of phase angle difference between pimary & secondry winding of a transformer & where we use them?

Grasim,

802

How can maintain our H.T. motors used in cement plant. please send me procedure.

3773

what is the workimg of ct &pt?

5 4327

what is the synchronous timer ? and it applications.

CPCL,

1019

i need previous entrence exam papers of nhpc.

1532

how can maintaince the acb contactor moveing and fixing kit

Gulf Cement,

736


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Un-Answered Questions { Electrical Engineering }

what is the significance of cabability curve of alternator

993


hi there i am highly enthusiastic about discussing electrical concepts , and hence i wud lyk to invit al do intrested to join me at gtalk and hav a dscussun of the concepts , ad me as a freind . my email id is rakesh.2k99@gmail.com

746


I have a situation to design sub-Distribution board/Panel meant for feeding power sockets. In the incomer CAN i Take TP MCCB with Neutral Link and All the outgoing feeders with to sockets with TP MCCB and Neutral Link? P.S : My System is IT Earthing

407


what happened when we supply a dc current in dc motor?? can it worked properly?

638


I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

588






Is it possible to measure the voltage of a battery from a single terminal?

335


Why derating factor os applied on Cables?

717


Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

1047


Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

735


From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

141


What is shunt voltage and u v voltage witch one best

478


there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

617


what is the difference between fault current ant short circuit current?

1340


how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

102


I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

878