Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 5084

What are the different types of trap used for Indian & western Toilets?

2 3700

What is purpose of reactor?.What is different between line and bus reactor?

1948

1 ton aircondition(AC)consume how much watt?

Indus Towers,

6 9470

How does the humidity affect in breakdown voltage of air?. Is the breakdown voltage increases with the humidity?

2 5328

why scott connection is done why not two phases are directly picked at the output of 3 phase transformer??

1 2675

what kind of material to be used after ngr unit? cu or GI

Michelin,

1 4126

what is surge voltage and surge current?

MES,

2 6146

What is the difference between IGBT and TRIAC?

3 18015

Why the power factor of the alternator in power plant is kept .8 lagging. Can't we maintain it at 1.

3 7811

In 3.5X150 Sq.mm cable what does 150 stand for outer dia or inner dia?

4 6271

How to calculate that clean water supply in one Day from 150 KLD STP?

2010

what is the working principle of electrical generator

1 4373

What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

2156

what happen ehen synchronisation is done at below rated speed

2149

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Un-Answered Questions { Electrical Engineering }

Can we use Ccapacitive voltage transformer directly for metering purpose?

1863

what is subtransient , transient and steady stateac components

2169

Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2908

HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

2500

why we are not giving the zone 1 trip command to the master trip relay

1732

How to determine stage of Automatic Power factor controlling Relay(Apfcr)?

2163

how are reversing the direction of dc motor

1654

Do you need any help with FEWA Electrical Supervisor exams?

1005

can anyone explain the star-delta motor control wiring ,which wire go where and how they operate?

1451

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2143

How can we select suitable capacity generator for three phase load (inductive load) and how to take study analysis in 3 three phase load system ?

2149

In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero

1723

how can maintaince the acb contactor moveing and fixing kit

2078

How we calculate the size of ht cable for any transformer

2086

RATING OF LIGHTENING ARRESTER FOR 11 KV LINE IS 9 KV is ok ,but haw to calculate the KA rating?

2089

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