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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

1749

if There is Short circuit in Power Transformer, what will happened to Buchholz Relay.?? How Buchholz Relay will respond.??

2 4259

how to find total current when kva is 30.4 given ? should we use root 3 (1.732) in the formula?

2 4097

why we use 11 kv 22 kv and so on ?

Air Force,

1 4999

what do you mean by partial discharge in cable

1 3311

how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)

Bhel, RR Kabel,

3 29364

how much current capacity 250 amp. mccb please tell me about whats are the reasons to trip 2 or 3 times in a night. and what are the steps to short out this problem

Havells,

1 5273

What is the difference between power,voltage,current? and with example

3 5431

How to calculate the copper in HT motors if KW, RPM & Voltage is given

Control Dynamics, NTPC,

3219

Can you any explain about active,reactive and apparent power in power system with example.

1 2813

HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????

General Electric,

2183

In UPS, battery connections if parallel connection given, what will happen?

2 4801

Why earthing done?

CBRE,

1 5404

What is a fuse? How does it work? What are materials used?

2049

3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

Innovative Energy,

1 4993

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Un-Answered Questions { Electrical Engineering }

What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

2291

what is the use of power transformer in GSS.

2505

please explain to me how to calculate current,voltage,resistance with formula??

1446

what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

2040

What is shunt voltage and u v voltage witch one best

1734

what precautions to be taken while desigining a LT,HT panel. Eg-LT panel PCC panel with ACB installed. HT panel VCB panel with VCB installed. & what is main diffrence betwn IP54 & IP55 construction of panel.

3059

any one can explain the stages of a knee point which is taken during ct magnetising curve.

1793

what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

4188

Explain the working of variable frequency transformer?

1162

How to Design green buildings services? What is the advantage to design green building?

1812

What is EHT tariff or Power factor Tariff ????

2352

I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?

2009

1. How many types of mangers? 2.How many types of capacitors? 3.pls tell me normally types alternator problems?

2354

What is the minimum value of hfe for the oscillations in transistorized rc phase shift oscillator?

1279

hi this is hema, r there any books in particular for the preparation of the APPSC-A.E.E(electrical), if so please mail me the names ... thank u .

1934

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