Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

Panacea,

2713

11kv = LT 440v , how many amp.supose 440v side 5000 amp curent drown

Motwane,

2 5646

what is difference between electrical and electronics

2 4773

in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

DNJ Energy LLC, WI,

2283

what are the difference between AC lamp and DC lamp

Apollo,

2035

Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 4989

Can any body describe me why a soft starter is used for 6.6kv induction motor instead of VFD ?

Cairn,

1 4090

What are various modes for Mechanical interlocking of breakers (for both MCCBs & ACBs)

1 3701

Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???

1910

If OLTC is in manual position there is chance to variation of voltage(Low or High)?

Juniper Networks,

1 2730

in non technical way how can u define POWER FACTOR??

1769

what is the control circuit for operating the clean room air shower

L&T,

2216

draw a dol with the following rtds,stop/start,ct,vt and o/l supply is 6.6kv and the coil is 110v

Anglo Eastern,

1 4389

what is difference between earth and ground?/

Sree Rayalseema Green Energy Limited SRGEL,

3 5950

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

BK Gulf,

1929

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Un-Answered Questions { Electrical Engineering }

what is the working principle of a DG Set, Alternator, & exiter

10164

defination of transistor controlled series capacitor

2596

How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

4220

State kirchoff voltage law?

1088

how will we calculate the copper wire load..

1887

How servo stabilizer works.

2066

Why increase in current leads to increase in conductor temperature?

1078

What are the uses of stepper motor?

1186

What is George phenomena to start the synchronus machine?

4093

how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

2119

how to protect motor in dol starter having capacity of 30 hp.40 hp?

3158

how can we phase identification in a distribution line,how we recognise that which phase is coming for a house hold connection.help me............

2019

what is the affect of earth's magnetic field on the frequency used in aircraft???

1954

1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

1776

how slip power recovery system work

2977

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