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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,

1927

advantages and disadvantages of inverse definite minimum time RELAY

1616

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

1582

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

1427

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

1571

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

1954

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

Student,

1430

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.

1950

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

Damodar Valley Corporation,

1886

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

DAE,

1665

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

1661

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

2028

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,

1354

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

1520

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

ONGC,

1560


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Do inductive loads have distorted current waveforms ?

2005


How to calculate the fuse rating depend upon the DC circuit?

2923


sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2288


what is the series parallel connection of capacitors? and how can we use these application in three phase motors for controlling torque?

2161


how can we change the phase angle b/w two phase?

5275


if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

2085


Please give me a erda placement paper

1848


what is the best method of grounding in 30 MW generator?

2083


What do you mean by per capita requirement of electrical energy in india

2328


what are types of encoder

1924


if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1951


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

2070


if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

2033


In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.

2214


hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

1982