Electrical Engineering Interview Questions
Questions Answers Views Company eMail

how moving coil indicator works?

1 2015

how LVDT works?

2 4091

what is an oscillator?

7 4201




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

794

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

MAHINDRA,

853

magnetic circuit consume energy

3 2597

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 9400

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 1376




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

789

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

Grasim,

869

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

3870

what is the workimg of ct &pt?

5 4437

what is the synchronous timer ? and it applications.

CPCL,

1088

i need previous entrence exam papers of nhpc.

1591

how can maintaince the acb contactor moveing and fixing kit

Gulf Cement,

805


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Un-Answered Questions { Electrical Engineering }

How to calculate the multiplying factor for energy meter with ct ratio given

690


What is BusBar integrity test and how it is conducted?

350


if we give 60 hz single phase supply to the transformer used in europe , than what will happen

766


derive DC RMS value for half wave rectifier?

1959


why co incidence factor considered in transformer sizing?

683






how to apply b license to c license in tneb

486


What is Annunciation?

778


I want single line diagram for AMF & DG syncronizing panel

5186


Whata are the types of Cables?

766


What types of high speed CMOS circuits have you designed?

900


what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

827


i want to put single phase load on scott connected transformer,eventhough how to balance the transformer.

700


What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

2268


Explain using drawings what is reverse PID action w.r.t PID controllers.

1845


Briefly describe your ideal job?

1727