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,

343

advantages and disadvantages of inverse definite minimum time RELAY

318

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

235




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

238

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

269

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

396

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

Student,

173

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.

445




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

Damodar Valley Corporation,

402

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

DAE,

375

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

371

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

332

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,

300

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

310

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

ONGC,

238


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Un-Answered Questions { Electrical Engineering }

How to choose size of the cable w.r.to current carrying capacity ...

1037


How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V

895


if field breaker of generator is closed prior to its rated speed on a power generating unit. what will be the effect on generator, unit transformer and starting transformer.

630


what is model question rrb junior engineer electrical gr.II

951


how does an encoder work???

1283






what is meant by directional earth fault and non directional earth fault? describe both.

835


where solid grounding and where grounding through ngr done and why?

1502


Explain the construction of the conservator, operation and purpose, and draw the diagram of the conservator.

1314


HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

791


11KV AND 22KV NETWORK KW CAPACITY IN RING AND RADIAL?

977


What should be the percentage increase in length of the dead end clamp for bus bar conductor (Hawthorn) after hydraulic pressing and what should be the applied pressure?

792


oil cooled transformer

1117


What is clock position of Transformer?what are the clock positions are there?and what is different of them?

1794


What are the functions of temperature scanner in power transformer?

1004


What is the basis for framing the rules of block diagram reduction technique?

5