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 2322

why fault current always calculated for 1 seconds?

Coca Cola,

3 4973

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 3109

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

Surana,

1901

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,

1708

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

1 2553

Which cable is use for rtcc control panel

1730

impliment (AB)`+C to transistor representation

Ascent,

1792

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

1654

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 3200

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

Technicare,

1803

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 3461

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Un-Answered Questions { Electrical Engineering }

Enlists the applications of sampled data systems?

1061

if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1790

how flow current in 220 kv line to line

1930

is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1883

On what basis the the size of Lightning arrester for buildings are selected ?

1611

What is the difference between Delta & Wye windings?

2053

does any one know where we can purchase insulation oil for high voltage oil filled cables

2292

2. What are the parameters of EHT sub-station?

2321

What is mason's gain formula?

1234

what is difference between earthingpits,earthing grid & earthing mess?

2452

Why a tesa lamp is glow between two phase?

1966

tell me about roaster switch .& what is the function in transmission & distribution?

2618

A jet of fluid strikes a plate What was the force required to counter it?

1838

how we select ac fuse rating of an power inverter???

1834

full form of electrical?

2664

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