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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is transformer?

2 4593

why DC is not generated instead of AC?

4 7572

Name the instruments which run on DC?

2 3936

How may I get the maximum current capacity for a particullar size Alluminum or Copper cable if there is compulsion to use?

1862

How to decide whether A / B / C / D curve type MCB should be used?

2242

WHY IS wet surface used for grounding???

2 4837

how to find insulation resistance of a motor(415v) by theoretical formula??

2 7602

what is the diff.between neutral and earth?

4 6747

why the iron chains were hanged at the back or front of the trucks earlier which were touching the earth?

2 4376

Is there such a frequency as 440v 50Hz?

1 3706

My switchgear busbar is rated at 2000A and just imagine the actual load on busbar is 1000A. From that busbar there are 10 outgoing feeders. Now the question is will the load be 1000A on each outgoing feeder or 100A per outgoing feeder. 2nd thing how do i calculate the load on individual feeder. Thanks for your time. Please provide some clarification on this issue.

Alstom,

1 5279

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

Bhel, CVL,

1994

what is mean by dual digital protection in the relay field?

ABB,

1895

HOW TO CALCULATE GROUND FAULT CURRENT IN 430V 4000AMP AIR CIRCUIT BREAKER?

2 5960

draw a circuit diagram connecting transformer OLTC- RTCC- VCB-Marshalling Box otherwise Explain in words

1 22976

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Un-Answered Questions { Electrical Engineering }

When color of silica gel will gets change from blue to pink from Top to bottom?

1558

Explain in details how you would react to an unexpected incident when your supervisor or manager is not around to give instructions?

8022

what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

1675

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

2496

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

2290

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1906

What will happen if the voltage in my house drops from 220V to any lower voltage?

2135

defult setting in p220 micom motor proction relay for 11kv,640kw,f.l.a.-40a,1440rpm ht motor?

3655

1hp= how much rpm

2028

. How to calculate the Short Circuit Impedance in Transformer? How to calculate the Short Circuit Impedance in Transformer?

2090

What happened when voltage will half value of current ...

1571

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

2244

compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

1742

I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????

1961

What are the advantages and disadvantages of closed-loop control system?

1148

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