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 4026

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

2 5526

In liquid rotor starter how PH valve should be maintained.

1 4134

what is the difference between star connected and delta connected motors

Welspun,

3 6567

does frequency affects the load? if yes elaborate it.

1 3585

what is the use of permanent magnet generator in exciter

TATA,

2108

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

Carrier, Dalkia,

2 3150

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 4905

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 ")

1918

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

Asian Paints, Bhel,

19 21219

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

1 2965

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

NLC, TNEB Tamil Nadu Electricity Board,

3 11624

why ht motors are star connected?

1831

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?

1740

what is transformar load balancing ?

L&T,

2 6323

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Un-Answered Questions { Electrical Engineering }

Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

1568

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

3096

why all the feeders are designed in a particular manner ... is there any reason for that???

1918

what is is the potential diffrence between two phase ?

6293

can anyone provide me a amf panel control wiring using ec-2 relay?

2225

in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

2046

can we synchronize star system generators with delta system generators?

2002

How to calculate capacitor bank value to maintain unity power factor with some suitable example?

1072

What is the use for cable entry in control room?

1133

ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

4121

What is “pu” in ee?

1027

11kV capacitor bank of rating 2.4KVAR, is charged with protective relays of only over current & Earth fault &.......without Over Voltage, Under Voltage & Neutral Displacement Relay. Is it advisable??

1564

how slip power recovery system work

2983

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

3617

what is the electrical?

2060

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