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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If we want the fan to consume less electricity at low speed, what do we have to do?

1 4089

What does “battery of 180 AMP HOUR” mean to you?

2 5628

In liquid rotor starter how PH valve should be maintained.

1 4196

what is the difference between star connected and delta connected motors

Welspun,

3 6696

does frequency affects the load? if yes elaborate it.

1 3645

what is the use of permanent magnet generator in exciter

TATA,

2166

What is function of inverter? and who it's operate & what are controlling devices are used?

Carrier, Dalkia,

2 3250

What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 4985

If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

1982

Based on what the rating of machines are provided??(ANswer should in single word)

Asian Paints, Bhel,

19 21727

how techometer works and how it will be connected above the flywheel in dg system

1 3040

For 1 KVA load how much KVARH capacitor can be used ?

NLC, TNEB Tamil Nadu Electricity Board,

3 11769

why ht motors are star connected?

1878

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1787

what is transformar load balancing ?

L&T,

2 6468

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Un-Answered Questions { Electrical Engineering }

he compression ratio for a petrol engine generally lies between

1294

why we use 630mm single core cable for transformer secondary side and why two neutral cable

1844

if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?

1908

How to calculate energy stored in a capacitance

1169

what is the difference between 50 hz freq. and 60 hz freq.? which is better and economic in them ?

2289

what are factors to be consider in electrical installation like load factor,diversity factor .....

1810

How do apply electrical 'c'license......pls advice

1709

if sf6 gas low in gis what will happen

825

how does a submersible pump work..?

1885

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

2344

Operation carried out in thermal power stations?

1145

what is the difference between ac motor and dc generator

1858

Name two types of electrical analogous for mechanical system.

1214

what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

2266

Why delta star trformers are used for lighting loads?

1178

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