Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what happen if the parallel generator phase angle shift by 1 degree in manual mode

EEEC, MEC,

1019

critical losses of transformer

EEEC,

3 3791

what efficiency at 70% loaded transformer

EEEC,

1 1173

PLEASE SEND THE PREVIOUS YEARS QUESTION PAPERS OF RRB JUNIOR ENGINEER-ELECTRICAL

908

what is the difference between KW and KWh?

9 9597

what is rms value?

2 3840

does not the circulating current in a transformer affect the flux distribution in the transformer core

895

How can i calculate knee point voltage of 800/5A Current transformer?please explain me with suitable calculation?

2 8721

how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids

959

What is the function of restraining coil in differential relay? as well as restraining current?

Medical, Siemens,

8 36805

A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 8577

what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1210

what is the breakdown voltage value in BDV test in transformers?

Siva, TATA,

6 31255

how to connect the three phase capacitor in three phase star/delta connection motor?

1 4432

please send privious years question papers of jindal steel and power ltd.My e mail id is rajanikant.sngh@gmail.com

Jindal,

1141


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Un-Answered Questions { Electrical Engineering }

What is PEC??Applications........

975


What type of pipe material G.I or M.S is used for sprinkler system?

7338


is that a problem if i connect a single phase load to a secondry delta connected transformer but i get a neutral from other transformer i the system?

984


What is a compensator?

144


what is the difference b/w pvc cu conductor and cu breaded wire..?

2209






being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give

1000


How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

1061


which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

1465


what is meant by re-rolling motor? how it differs from standard motor?

962


Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

2530


Mention the disadvantages of low power factor?

127


in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

745


for compensate 315mh inductance ,how many capaciance required?

1124


When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?

197


why power not passes in plastic and rubber material

1031