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 is the rating of HT SUBSTATION and LT SUBSTATION?

NTPC, Sail,

11 57661

Assume a condition such that two motors of rating 6.6kv,415v are connected to blower,so tell me which motor draw large current give appropriate reason?

NTPC, Student,

2 8019

What are eddy current and define rms value?

NTPC,

4 11539

Transformer's core is made up of which material and why so?

ABB, NTPC,

10 32499

Draw the line diagram of diffretial relay connected to transformer?

NTPC,

2513

Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

NTPC, Vijai Electricals,

6 13858

AC current is flowing in a wire in your home how can you measure it(name of the instrument)

NTPC, TCS,

24 29470

How does and Earth Fault Relay operates in DG set control panel?

Cummins, University,

1 7001

1> what r different types of fault in cables? How will u locate and test these faults? 2> why earth wire is provided on top throughout the transmission line. why not only on towers? How much area it can protect? 3> what r different types of transmission losses? How power loss can be minimized? 4> what is the % of power loss on transmission lines?

IOCL,

3 10952

what type of relays used in transformers?

APTransco, BSNL,

24 66905

What will be the capcity of 3 phase DG set require for 25 KVA single phase lighting load?

Supernova,

7 17937

MCB is used for high rating &MCB is used for lower rating.What is technical difference between ACB & MCB?

7 13132

what is MUSS?

HP,

1 13402

what is phase and neutral.

HP, Voltech,

16 66143

what factors to needed while selecting a MCB and MCCB

3 10671

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Un-Answered Questions { Electrical Engineering }

Anybody tell me about modbus hex address of l&t trivector meter er300p??I want to read voltage,current,kwh etc via rs485...If anybody have a manual then send on my mail..Brijeshmodi18@gmail.Com

1973

hi frenz,its aswathy.i hve aplied for the hpcl test on feb,pls send the test patern & the placement papers as soon as possible. mail-id :kjaswathy@gmail.com

1850

Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

2182

sir pls send the je exam - 2008 and other model question papers..

2134

In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1507

hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

2159

Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2195

XYZ

2213

what is mean by restructuring power system?

2139

what is a reactive power? what is the relation with power factor?

2293

IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com

2153

send me any model test paper of clerical post of state bank of india.......

1921

What is the height of DA, DAL, DB, DC & DDE tower?

2446

how many stairs have you climbed while you were coming

2250

Do you need any help with FEWA Electrical Supervisor exams?

1075

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