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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

in case of transformer the power factor is depend on input or the output

1 3815

How much DC or AC Current that a Human Body withstand for Electrical Shocks?

Suzlon,

4 24955

Why insulation layer of a High Voltage cable is more than a current carrying cable?

3 5647

How many types Switchgears?

4 11559

what is the working principle of induction motor

2 5699

i want to estabilish an loss energy storage system,such that it can store electricity lost during the transmission of electricity in conductor,so that this system stores energy lost during transmission and supply it to street lights during night

2 4173

armature winding of dc machine produce alternating emf then it convert in to dc by using commutator.But only we consider armature resistance why don't we consider inductive reactane effect?

APTransco,

2029

different between horse power and break horse power

Allied Group,

2 5332

Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

HCC,

2305

what is the difference between RMS meter and normal meter

TATA,

3 6153

what is busbar. how many types of starter.what appartus will be used to improve voltage.what is the function of starter.what is b.h.p.what material is used for earthing.

1 3815

can we connect 2.2kw star motor in delta passion?

Zuari,

1 4249

what is the different between rms and average value

Finolex, TATA,

1 5122

all interview questions with answers of ntpc (2000-2009

Hetero, NTPC,

2171

what are advantage and disadvantage of zener diode?

Infosys,

2 52947

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Un-Answered Questions { Electrical Engineering }

How to operate a ac chilar plant?

2422

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2025

1.what is meaning of curve into a mcb. 2.what is basic reason changing of curve

1960

How many points does a Circuit can have?

1899

what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?

3379

how we test a 3 phase motor on single phase supply....? HOW WE RUN A 3 PHASE MOTOR ON SNIGLE PHASE. supply for testing..? how we verify of a 3 phase motors 6 wire & name thame a1/a2/a3..b1/b2/b3 and c1/c2/c3 for connecting star delta starter ........i have only 1 phase supply ? help forum..........

5108

Connection diagram for KW meter and Kva meter

2272

If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.

1052

What is a DC series motor?

1204

condition Autotrip facia come on control panel of electrical transmission line?

1537

why current flow to the opposite direction of flow of electrons???????????

2115

I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1641

hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

2876

1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

1928

Why squirrel cage motor can only use with low starting loads ?

2008

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