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Electrical Engineering Interview Questions
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in our transmisison sub station why we step down firstly 132kv\33kv then 33kv to 11kv. can we direct step down 132kv to 11kv.

4 8518

How I calculate the ELCB for circuit breakers?

1167

Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

947

what is skin effect and corona discharge ?

Asian Paints,

4 8052

WHAT IS EXTENDED DELTA AUTOTRANSFORMER? WHERE WE USE THAT?

Amtek, TATA,

2 6145

How can transformer winding insulation be measured (Delta & Star Connections)?

3 3326

In Extended Delta transformer, by which method we can measure the extended angle of transformer?

Usha Martin,

1 5636

What is RCBO? hw it works

2 3991

Do anybody has a design software or tools for the selection and design of electromechanical components???

1 2059

Why the tank of transformer is made rectangular not circular??

9 9600

what is wave trap? And how it works?

3 7109

what will be the effect if we increase the excitation of a alternator??

3 3685

what is the difference between effective earthing and resistive earthing?

REL,

3 4715

cb used in railway applications is?

NTPC,

2 6870

we can use airconditioner for cooling the winding of transformer ,if not why?

3 3203


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Un-Answered Questions { Electrical Engineering }

what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?

1171


Why do we will ground the positive terminal in electrostatic precipitator

1146


How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1781


What is slip in an induction motor?

181


I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

1959






What is the difference between a Root Locus plot and a Bode plot?

178


What is a Phase shift meter? Where can I get one?

1173


What is the dc grounding system and what is diff between AC/DC grounding system?

1156


Why you are switching off arc protection mcb when you are taking shutdown for lv board.

726


What is the procedure/activities to be taken to inject the current more than 2000A by using 2000A Loading Transformer?

1110


why they were using TRIAC instead relay in some controllers and what is the advantages.

1085


what is diff btw electric,magnetic & eletromagnetic field

1056


previous year paper of ntpc bhel for degree in electrical enng

2298


How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

1893


if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

989