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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why fault current time duration is calculated for 1 minutes?

Rockfort Engineering,

1 2330

why fault current always calculated for 1 seconds?

Coca Cola,

3 4982

what is the difference between ac motor and dc generator

ETA,

1802

What is the use of Gateway RTU like ABB RTU 560 in power plant, SAS system ?

ABB,

1 3113

what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

Surana,

1905

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.

Power Plant,

1712

what is the Transmission line differential protection and why differential protection also have backup Line Distance Protection ?

1 2562

Which cable is use for rtcc control panel

1733

impliment (AB)`+C to transistor representation

Ascent,

1797

I have done my m.tech in electrical engg discipline. Can any one please suggest me how should I prepare for getting into phd in iit or nit.How should I prepare for getting into lecturership

1656

how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

1706

To generate electricity , what is the speed of rotor?

JEC,

1 3205

why we use 630mm single core cable for transformer secondary side and why two neutral cable

Technicare,

1806

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

DAE,

1612

WHAT is the no of starts/hr for 3.3 KV, 300 KW motor. Motor is vertical flange type.

DAE, Siemens,

1 3465

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Un-Answered Questions { Electrical Engineering }

what are the analog quality input for protection function?what are minimum reqiments?

1797

What are the essential characteristics of signal flow graphs?

1060

what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

4292

If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

1039

how to calculate energy of 3-phase motor?

2009

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

2139

The loads are connected with phase and ground then why current flow as the loads ?

1922

WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

6278

Define steady state error.

1049

bsec exam syllabus (mis)

1233

what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?

3379

How does a battary stores charge in it? please explain in simple manner and in detail.thanks

1947

What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)

1864

how meger function

2840

anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

2382

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