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 VFD and how to save the power by using VFD?

7 10559

How I design capacitor bank for different load.7MW connected load.

Samtel,

3 7780

its Kva and Kv are same?

3 6289

If one d.g. is unable to take full load of system, then second d.g. will take care of partly Load.for this condition RPM of both DG set should be equal.By using Synchronization panel RPM of dg sets are match, is it true?

1 3836

1500Ah VRLA battery,if its weight is designed 125kg during maufacturing its weight is reduced to 85kgs,What will be impact on AH capacity,life & economy?

Bajaj,

2166

why in motors dc extitaedtion is prefer

1 2374

The capacity of the transformer is 20/25 MVA, Ratio is 132/11 KV, Vactor group YNyno. and impedance is 10.07%. As per the calculation the secondary current is 1312.2Amps. The maximum fault current the transformer should sustain is 13.030KA. How many times the transformer should sustain the maximum short circuit current of 13.030KA over a period up 1 Year. The transformer is repaired one & 10 Years old.

1 9354

How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?

1775

Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.

ACC,

1 3829

During Millivolt drop test current leads are applied in the extreme ends and voltage leads are given just before the current leads.. what will be the difference if voltage leads are given in the extreme ends? and why?

1 6662

why we use MV panels??? what's r all the needs

4 18683

What is the difference between generator and turbo generator - related to power gereration

1 5639

what is the advantage of NiCd battery over Lead acid battery?

1 4066

The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

1942

what will happen while giving 2 phase supply to 3 phase motor

5 6919

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Un-Answered Questions { Electrical Engineering }

How dia computation perfomed in cold rolling mills .

3008

How do i right a ladder diagram that has 1 actuator that performs a full stroke followed by a half stroke

2045

What is phase cross over frequency?

1076

how to modify DOL control panel into Delta Y connection?

1907

what is proper capacitor placement? How to evaluate capacitor size?

2081

What is shunt voltage and u v voltage witch one best

1679

in conventional fan regulators how the current varies with speed?

1945

why we used ZNO in Lightning arrester.

1959

what do you mean by class PS CT and what are technical details needed for calculating it?

1958

What is force on a conductor in a magnetic field ?

1029

define reflection method?

1902

What is the diff. between single compression and double compression gland

1952

'documenˁ

1931

How will be the single line diagram of series trip HT breaker? how it works?

2561

what type questions asked in hp cl

1800

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