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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

Voltas,

2 4137

Why neutral shows voltage with earth ?

MRF,

2 4667

Can we see the poles in the motor?. if yes then how can we see plz tel me

MRF,

2 5048

What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?

Hira Group,

1776

What is the rating of a circuit breaker needed for 300 kv load in 33KV supply line of 33/415 transformer ? Whether 800/1200 amp vaccum circuit breaker can perform for a 33 KV line in input in 415 volt in output of the transformer ?

Hira Group,

1668

Can we use MCCB with Auxiliary Contact in place of Contactor in a AMF System.

C&S, Farnek,

1 3725

Whatis the current capacity of 33KV/ 0.433KV transformer on Primary and secondary side/

1 3405

What is the significance of %Z in case of transformer?

1 3270

WHAT IS MEANING OF Gg & Gg IN hrc FUSE

3284

what is ring main unit?

Otis,

1 3591

how is find out kwh step by step

Voith,

1796

What is the difference between indoor and outdoor transformer

Ama Airfield Lighting System,

5926

how to find the transformer neutral copper earthing size

1 2639

if a 2 ohm resistor,2 ohm capacitor and a 2 ohm inductor is connected parallely to 12v source.Then what is the value of current in each branch.Is current flows in each branch at the same time?If not so then provide the proper sequence

Tata Steel Limited,

1 3103

According to ohms law voltage proportional to current, then why should current rating is low with high voltage rating in transformer?

KEC,

5 7882

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how we do Vector group ,magnetic balance and tap changer test in Transformer?

2471

a starter used for squirrel cage induction motor?

1686

how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?

5993

what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

1385

How earthing of switchgear system to be done.

1932

What is the BS(British Standard)code for 11kv motor

4988

what is difference between line differential and transformer differential?

1736

sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....

2174

what will happens if one phase is missing for 33/11kv power transfomer and why?

2653

How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

3379

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

1683

limitation of conductor height on ground when we consider EMC

2048

What is the end effect of linear induction motor ??

2028

What are the conditions to be satisfied for parallel operation of dc generators?

1097

According to underground cables a) stress b/w sheath & conductor is high b) inrush of core & conductor

1974

For More Un-Answered { Electrical Engineering } Questions Click Here