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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how can I improve the current at same voltage? if yes is there any circuits?

2 3904

how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

1765

If i=10+10sin314t then find the rms and average value of current with explain?

Heptacare, TCS,

2 14979

If ct ratio is 250/1 and mtr is of 5 amp, what will be mf?

1 2903

What is process of anneling transformer core

1731

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1632

iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not

1 3301

why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

Government, PSU,

2629

what is ratio of copper wire size and current ?

1619

why select the 3 phase power supply system in electrical system.

RSE, Yamaha,

3 6993

i HP = ?? 746 watts or 735.5 and how??

1 5855

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

ABB,

3408

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

3784

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

ABB,

2167

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

ABB, Jindal,

2171

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Un-Answered Questions { Electrical Engineering }

can any tell me why slope 40% and 80% is calculated in differential protection?

1688

how to prepare the technical test

1903

what is strip power factor?

1931

what is the Transformer Impedence?How can calculate?

1754

What is the name of the winding to which supply is given?

973

How can I calculate the Mega watts required to run a plant having many electric motors and other electrical components.

1903

how to test and calculat the head and discharge in borewell compressor

1960

What is mean by STUB protection?

1821

What is the exact formula for one weber of magnetic flux?

1933

when ID fan will immediately stop through VFD what exactly cause and problem the ID fan

1250

how to calculate single phase motor efficiency ?

1840

Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

1879

diff b/w elcb and rccb

2097

the grid connection required for a 50 MegaWatt fotovoltaic powerplant is higher or lower than 35kv (high or medium tension)?

1669

what is mean by Digital Logic Meter (DLM)

2155

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