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 potientiometer.What is the use of it.

1 5403

What are the types of relay ?

3 6991

How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?

5 9700

why only 11kv level is used for transmission purpose? why not 230v?

7 15813

what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 11972

What is percent age of scrap of wires as per IE Rule Clause No in wiring for House and Industrial wiring ?

3 5043

how does damper winding produces torque in synchronous motor?

1 5238

1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.

2 5156

1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 7731

a transformer can beb used as aload?give discription

Esses Eltech Systems,

2 4834

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

1819

How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

ABB,

6 51266

Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 11642

For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

Intel,

1945

why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

Siemens,

1978

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Un-Answered Questions { Electrical Engineering }

wow to calculate the transformer rating(KVA)

2269

If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

2273

If I want to buy a new Xformer for my plant what are the main parameter will I need to check?

1896

How many capacitors using in LT panel as per Govt rules?

1972

EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1890

What is the difference between line drop and percentage line drop?

1566

Usage of flywheel diode in relays

1928

plz send me the procedure and syllabus for mseb exam

3859

we all know voltage is a force(emf), and the force always devides if 2 or more than2 loads are there but why does the voltage remains same is parallel, it must devide na ???

1989

what is the illumination level required for child play area?

2096

What is the difference between a 3 winding and 2 winding Potential Transformer

2282

solor panels arrange some angle,panel is flat fitted energy was produced or not why?

1901

what is the relative size of single and three phase?

1891

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

2082

71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

1681

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