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

 1313

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

3 3658

roles of owslaw explain?

BSNL,

3 3114



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

 4 13395

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

 4 4575

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 4737

why supervision relay is used in incoming feeders?

1 2351

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

3 4066



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

TCS,

8 6048

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 5771

Will a 230VAC motor run OK at 208VAC.

 7 6810

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

 5 8080

what is "pu" in electrical engg.

 4 15195

what is transient stability analysis means?

 787

How ships are protected from lightning?

 1 3172

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Un-Answered Questions { Electrical Engineering }

what are doing the duall connetion in tree phase 10hp or etc motor with circuit diagram

636

how give earthing conection to household equipment?

700

what are the steps involved in generator load test?

314

What do you mean by per capita requirement of electrical energy in india

858

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

686




why the rotor current becomes in steady state during high slip region? please verify with equations.

823

Define the three phase formula fuse.

589

I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com

974

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

453

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967

what is vA rating and class of a ct.

643

How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

376

plz tell me,ht and lt panel terminals in substations explain beiefly

1400

can we install HT panel & LT panel side by side or how much clearance is required ?

137

how can decide the current rating of oltc

1033

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