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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why the TNC switch is called as Memory switch

Reliance,

1 3604

how to understand the controling circuits example star- delta-starter controling daigram please let me know

GMR,

3 7746

how many earthing should give for transformer body and nuetral

GMR, GOMS,

5 8734

i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

 1756

Is C.T will sense the current in both direction. As i know the C.T will sense the current in only one direction.

 2 5449

What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

 1761

Why the cost of CT increases with the decreasing of its CT Ratio (Technical Reason)?

Vedanta,

2 5552

How the size of transformer decreases if we increases the frequency?

 2 4900

Can we use delta-star neutral grounded 3 phase power transformer bi-directionally.

GMR,

2 5066

how to synchronize 3 phase slip ring induction motors of different ratings.

GMR,

2008

can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.

GMR,

3 5556

1.differance between onload ups and off line ups.

CTS,

1 5518

want happens when a dc is given to a commutator

 2 4605

A three phase transformer 460v primary 220v secondary (three phase four wire system.) Why did we get 460 volts across the neutral on the secondary side?

 3 6215

I have 12MW gas engine based power plant its running parallel with grid. my problem is When cpp run in island mode(without geb) that time geb transformer power factor is 0.2 lagging. When cpp run with parallel that time power factor is 0.94 lagging So how can i maintain power factor ofgeb transformer in island mode 0.9 lagging?

SPCL,

1 2422

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Un-Answered Questions { Electrical Engineering }

What is industrial plc

1486

what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

2003

How to do fabrication , busbar and wiring cost for : 1. LT Panels 2. C& R Panel

1640

why the making current is more than then the breaking current and if its true then its about a controling circuit or breaker power contact points

1812

how we calculate torque ? how we improve it ?where torque will either motor or generator ?

1802

what are the main applications of transistor in non-linear region?

1688

What is the effect on 3phase induction motor if current setting knob of DOL kept at minimum current?

3404

What is the importance of counter based plan & how is it scheduled?

1755

How many types of electric motors are there?

834

Control wiring of a dol starter for forward and backward

1249

Can a generator runs after getting 1st stator earth fault.

1178

what is conductor constant of raccun conductor

1994

please give me solution to rectify the emi(electromagnetic interference)

1651

The power supplied to a 50mH inductor from a 120V, 60Hz source will be

4547

what are carbondioxide and dcp used in fire extinguishers

1801

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