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Electrical Engineering Interview Questions
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What happens when the polarity changes in CT? Explain briefly?

 8 28364

Explain the Term in CT Name Plate – Class: 5P10

 6 12103

with out name plate details , how to find the metering ct and protection ct.?pls brif explaination about that.

APNPDCL,

3 6518

what is units of resistance

 3 3975

findout of current?details 440v,3phase,085pf,hp-5

 9 12198

pls give me brif explaination about the distance relay.

 4 5636

WHAT IS THE DIFFERENCE B/W BUSHINGS AND INSULATORS? WHAT IS THE CREEPAGE DISTANCE ?

TCS,

3 8469

1) What are your personal strength? 2) What are your personal areas of improvement? 3) What are your expectations from from a particular job? 4) what are your carrier objectives?

 2062

why we use 6nos of C.Ts on 11kv incoming?

 2 5161

Even when a particular generator in a generating station is under maintenance we are still able to maintain the same power output. How is this possible? Does the tie line between 2 generating stations have a role to play in it?

NTPC,

1 3558

better choice of area of interest to post in our resume?

Cognizant,

2 21072

WHAT IS LINIER MOTOR?

BSNL, wbsedcl,

4 7443

What could be the problem if two power transformers trip on stand by earth fault at same time

 1 3146

ouestion for the post of section engineer

BSNL, RRB,

1 3655

star delta starter control wiring diagram?

 1 14523

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Un-Answered Questions { Electrical Engineering }

what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?

1825

What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

1746

What is the difference between single point and double point bonding. please kindly detail about bonding of cables.

1909

what is the basic need of domestic loads 1- voltage 2- current

1503

In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

1482




what is the main parts of transformer? how it is functioning? pls giv the ans briefly.

1443

what is 30-phase of transformer

1735

What is the abbreviation of NGT panel

1493

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

1506

What current flows in the transformer primary when its secondary is open?

624

Why does the adjacent zone of protection overlap?

679

what is allowed value of zero sequence impedancce of 6.6 kv nuetral earthing transformer ?what is the actual value

1641

in shunt clippers why a resistor is used in sereis with the input

1495

5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch

3351

Define relative stability.

619

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