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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

 2413

Draw the DOL starter and star delta starter drawing?

Danfoss,

2727

Simple explanation of kirchoff's law

 2 5502

how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

L&T,

1 4107

How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

 2557

what is zinc diffusion?

 1748

how to find out difference between ELCB, MCB and RCB on looking on it

 1 2962

how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!

SRES,

2063

why we use bare wire in high tension power instead of using insulated wire?

 2 6767

i completed my DEEE. and i want to electrical c license. how to get it..?

 1899

What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

JKN Limited,

2236

In generating stations which we generate current or voltage if it is voltage then how it will convert to current and power?

NIT,

2 7107

how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

Webel,

1975

Benifits of 3ph 4 wire metering over 3ph 3 wire

 2214

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

 1 4979

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Un-Answered Questions { Electrical Engineering }

how can we design robots

1657

HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....

1838

what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

2093

what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

1741

Both generator parallel condition shared load equally but one genrator taking ampere more than the other what are all the causes to make like this

1487

What is the Surge suppresor? Why using in a UDB's and How it works?

1942

HOW DO YOU CAN CHECK A 15KV DIODE, WHETHER IT IS OK OR NOT?

1717

what is the interrelation between voltage current torgue speed and magnetic flux in case of different types of electric motors

1772

How to findout raw or ups power? its not indicated in socket,

1771

difference between Ac and Dc mcb ????

1336

full form of electrical?

2486

what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

9944

what is the ATS .And how it works.

1300

what is mean by drives?

1716

In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

1980

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