Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

TCCL,

1227

advantages and disadvantages of inverse definite minimum time RELAY

1030

why high speed tripping relay is used in protection circuit why not normal relay

824

why high speed tripping relay will be used in tripping circuit why not normal relay

796

what are all the components required to assemble solar panel other than pv cell?

927

Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1219

how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

Student,

759

I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

1312

How the over load setting for HT Motors calculated-provided in Numerical Relay

Damodar Valley Corporation,

1159

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

DAE,

1000

What is slope...? Explain slope 1 and slope 2...?

1047

How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

1175

if we apply 1000ADC instead of 100ADC or We apply 50ADC instead of 100ADC,What will be happened in the test result value.Pl explain

NCC,

878

How to discuss the phase shift of transformer considering open delta?

943

Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

ONGC,

965


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Un-Answered Questions { Electrical Engineering }

Is the theorem applicable to ac sources?

591


What are the three types of compensators?

613


If short circuit ratio is high is it bad or good for a machine then tell the reason...

1572


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

1385


y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..

1504






How can ou verify the size of conductor 50Sq.mm ACSR

1476


what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

1723


working principles of cf lamp,incandescentlamp and f lamp?

1804


how do you test tachos and servos

1599


distribution is maximum done by a)radial b)network c) parallel d)b & c

1467


Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

2271


what exactly commisioning work does in electrical site work... LT side?..

1468


power transmission pole used one support , that only for support or earthing

1392


difference between a diode and thyristor?

1741


Explain Circuit Breaker Trip Characteristics in detail.

1650