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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing

2051

What happens on the secondary of a 33kV/11kV when one phase of the primary fuse blows?

3 5026

roles of owslaw explain?

BSNL,

3 4970

how to calculate capacitor bank value to maintain unity power factor plz xplain with some suitable xample?

4 16249

xplain in detail d pr. of synchronous motors? why syn. generators r used for the production of electricity?

4 6084

what is the exact direction of current? as we know current travels from higher potential to lower potential,so if we take battery +ve to -ve implies current direction is from positive terminal to negative terminal.,whereas electrons flow from negative to positive as they are attracted by positive ions.current will be the plow of charge but not flow of positive ions.please clarify my doubt friends.

2 5903

why supervision relay is used in incoming feeders?

1 3220

how it can be decided what will be the rating of CT and PT to be used in LT or HT cables?

3 5397

A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

TCS,

8 8725

There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

4 8789

Will a 230VAC motor run OK at 208VAC.

7 9562

Hi How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil.

5 10656

what is "pu" in electrical engg.

4 18154

what is transient stability analysis means?

1493

How ships are protected from lightning?

1 4156


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

what is magnetizing current test in power transformer

1997


Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

1491


Why earthing is necessary for any equipment?

984


What is the physical significance of phase.. i.e. what is exactly the meaning in layman's language.. 1 phase, 3 phase etc ???

1499


why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

1215






Why PS class CT is always preferred for Differential protection?

908


give me atleast four differences between circuit and network

1547


What is the function of under voltage release ?

836


Graphs of measuring power and speed on dc motor

1284


how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

1407


WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

1751


Where servomechanism is used?

500


Installation method of self treated earth electrode.

1288


What are the different types of controllers?

473


we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

1155