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 Rough Balance Busbar Protection

1 6658

When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

1 2422

How do we calculate transformer oil in liter from the rating of the transformer.

BARC,

1674

if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1906

How to calculate loses in transformer of 160 KVA ?

IDV,

1662

Shall we use Dyn1 transformer in place of Dyn11 for motor application as a distribution transformer

NSL Sugars,

1 2918

How to calculate fault level of 11 KV system

2088

From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?

Schneider,

1786

How can ou verify the size of conductor 50Sq.mm ACSR

Adani Power, Apar, EFS, Polycab, WHF,

1952

What is the permissible limit of shaft voltage for 6.6 KV motors ? Why? Is there any standard is available?

2659

In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?

Elektrotek,

1733

How relay coordination has to be done? what are the inputs are required for this? Please explain this with calculation method?

Elektrotek,

1827

Now I inject 1kv DC supply r&y=??? R&Y=?? Y&B=?? B&R=???? RYB&N=??? RYBN&E=????? Minimum value====???????

Integra,

1 3101

What is a neutral

Adani Ports, Dr Reddys,

4 5271

What will happen if the rotor circuit of a slipring I.M. is kept open & electric supply is given to its stator winding.

2 7353

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Un-Answered Questions { Electrical Engineering }

design a 3 bit synchronous and asynchronous counter using T- flipflop

2008

what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?

2312

what is the difference between circular wdg & ractangular wdg?

2057

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

2158

what is interpose? where it is used and why it is used?

1062

WHAT IS DIFFERENCE BETWEEN MANUAL CONTROL AND MAGNETIC CONTROL AND STATE ITS ADVANTAGE /DISADVANTAGE

2089

how to calculate fault level?

2284

what is DRP panels?

2143

Explain what is rated speed?

1134

witch pump used in wtp

2107

what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

3380

WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

2124

Difference between ac parallel circuit and ac series circuit?

2117

how electical engineer is related to apsrtc (general) post? if they ask a question in interview as why did u choose this job what shd be answer

2206

can anyone show me how the 3 phase power is supplied to socket outlets?

2024

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