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 4045

Why neutral shows voltage with earth ?

MRF,

2 4575

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

MRF,

2 4952

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,

1742

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,

1629

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

C&S, Farnek,

1 3655

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

1 3338

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

1 3178

WHAT IS MEANING OF Gg & Gg IN hrc FUSE

3231

what is ring main unit?

Otis,

1 3529

how is find out kwh step by step

Voith,

1749

What is the difference between indoor and outdoor transformer

Ama Airfield Lighting System,

5863

how to find the transformer neutral copper earthing size

1 2540

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 3000

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

KEC,

5 7730

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

our industries ht line so power fluctation(once drop of power please rectify causes

2190

Why Utility Distribution System in India is mainly at 11 kV? Why not Utility go for 33 kV?

1702

how to find out cable size if load is 2800 watts, 230 volts AC supply and load distance is 1800 meters

1572

what is the voltage rating of chiller unit sensors

2735

how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

2131

what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

2158

Why should we hire you over the others waiting to be interview?

2795

it is possible to rotate the DG engine dc starter with wrong polarity connections? why?

2215

what is the efficiency of thyristor

1556

Name a govt approved university which have 100% online engineering course.

1677

i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

1845

What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

3973

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2072

Why are the cores of large transformers built up of circular transactions ?

1977

What is kvar?

1301

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