Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is brushless alternator?


Can the same motor be operated in both direction ?

12 8709

why transformer donot allow the dc?


17 15696

what is skin effect? why is it absentin dc system

22 29387

why free wheeling diode is connected across inductive load

NTPC, Wipro, Omaxe,

16 40314

what is a relay?

31 12806

how electronic energy meter works?

12 46750

I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions



what is linear motor?

wbsedcl, Lucas TVS,

2 6343

In case of delta/delta transformer if the one phase is blown out then what will be secondary line voltage ?

4 6824

what is the function of commutator in dc motor?

TCE, HP, Raj Construction, Aviation, University Exams,

52 140298

what is the significance of per unit impedance ?


7 10758

draw waveform of capacitor or inductor in a d.c ckt(during transient) with zero resistance with it(in series or parallel)also neglect resistance of wire


2 7732

why C.T secondary are rated 5A generally?

ABC, Bhel,

13 32937

Resistance of a conductor in a close electrical ckt is practically zero why?

1 4407

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Un-Answered Questions { Electrical Engineering }

what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.


Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC


No load tap changing transformer working


How generating electric power export to grid from the generating station ?


we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???


what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????


what is meant by neutral compensation factor and where it is used


how to calculate the conductor size for certain KV transmission line and distribution line?


when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?


Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?


what happen ehen synchronisation is done at below rated speed


What is the difference between indoor and outdoor transformer


What is earth?


63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?


how electrical earthing maintenance done in industry?