Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is XLPE type cable

Areva,

8 7697

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

2619

HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT-SWITCH BOARD,MLDB,ACB,BUSBAR,ETC,......?

788




What is erection of electrical system?

1 3796

what is rotatng magnetic field in case of three or multiple phase alternating current machines???

NHPC,

1 2074

Brushed alternator is also called dc generator ? its true or false ?explain it ?

5 3300

what is the working principle of Brushed alternator ? without exictation how we can give dc supply to rotor ?

1 2340

Totally how much power will be consumed in 1 hour cotinuous running of electric train engine?

L&T,

1 2437




Name some application zrea where IDMT relay can used?

SKB,

3 11403

i am working in a grid substation,TNEB having 13 yrs experience. Am I eligble to get apply for c licence now?

3 4876

I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?

766

HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

655

why different series of vfds (like allenbradley)are used in industry ?

963

what is difference between c-power & u-power air circuit breaker?

Areva, IIT, Marine Electricals,

2 15231

what is meant by Back emf ?where its occur ?

5 8184


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Un-Answered Questions { Electrical Engineering }

What is touch potential and step potential?

843


At what speed 1 HP motor can run an electric car of weighing 400 kg?

366


Why are the cores of large transformers built up of circular transactions ?

711


what happens when series resonance occurs?

603


How to calculate earth fault current for 6.6 KV , 50 HZ , 756 Amps , 3000 RPM , 0.8 PF generator

777






What is the formula to calculate the rating of a three phase air circuit breaker

914


What is the working principle of servo motor? And explain it.

465


What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

861


What is the IS standard for MCCB to be use (As per capacity of AMP)& for ACB also.

705


how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

835


what is the circutor?why we use it ?

980


why -48 volts dc used in telecommucation

1103


why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

1409


hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

1562


What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

403