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 the required bending radius requied at the time of cable laying?

1 4936

Why in medium voltage system(3.3kv to 33kv, neutral is earthed with either resistance, reactance or neutral grounding resistance?

Essar,

4 9950

How are harmonics produced in AC machines?

4 7939

How star and delta connections inherently eliminate triplend harmonics?

Blue Star,

1 2961

IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

Jindal,

1 4010

Does the total power means fundamental plus Harmonics?

2 4425

Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

1968

can u please mail me the syllabus for GET exam for damodar valley corporation?

2031

why our indian system choose the 230 volt for single phase&415 for 3-phase voltage,in forign side 110 volt is used what is the difference

Jindal,

4 20350

what is the formula for calculation of sac?

TCS,

4 8873

what could be the possible reasons for copper cable to have low insualation?

1 3203

do we use links in a dc circuit?if so what s its use in it?

1984

what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up

1 2541

what is the difference between synchronization and paralleling?

BARC,

13 43503

what is doubling factor in making current of a breaker?

BARC,

2022

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Un-Answered Questions { Electrical Engineering }

thyristor controlled APFC panel design parameter?

1743

Why is a plain induction motor unsuitable for wide speed control?

2241

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3776

we have two motors 1250kW,6.6kV to be coupled on the same shaft ,so please provide assistance for their synchronisation.

2027

if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

2172

HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1834

What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

1988

is oil viscosity affect on motor current?

1960

If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines

1594

Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2547

Explain cos(theta) and Sin(theta)

2046

how many joints are allowed in underground HT cable of 1 KM

1833

What cmos is and its benefits?

1151

What is FM200 Gas??Applications........

2315

What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation

1859

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