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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why induction motor can not be operated at synchronous speed?? what would happen if it is operated at synchronous speed??

5 25519

can we coorect P.F. OF 320 KVA ALTERNATOR AT LOCAL SITE WITH RATED .8 PF LAGGING.

1 3328

sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

L&T,

5 12594

what can be the causes of capacitor start motor having a higher current that its actual

1929

How to calculate per unit impedance of transformer?

2135

Why the output of generator varies eventhough the shaft speed is constant in thermal power plant?

5 7212

what is meant by phase transformation ratio in induction motors?

2 15096

why generator one end side star neutral point given? if this point not given what happen?

1 3997

what happen if turbine trip ,g.c.b not open and excitation on condition?

1 5085

what happen if steam turbine trip,g.c.b not open and excitation off and on condition?

1 4219

why capacitor is not discharged phase to body

1 3453

Why the electron flow in reverse of current.

6 9316

What is the function of an Auto reclosure relay. How does it work??

KSEB,

4 18217

What is EHT tariff or Power factor Tariff ????

KSEB,

2306

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

SISL,

1930

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Un-Answered Questions { Electrical Engineering }

What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2595

How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

2384

What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

1527

hi can anyone pls tell me the eee interview core questions asked in l&t

1996

FOR 16/20 MVA 132/33 KV ONAN/ONAF TYPE TRANSFORMER IT IS DESIGNED FOR 16 MVA WITH ONAN CONDITION.IT BECOMES 20 MVA UNDER ONAF CONDITION.LOAD LOSS IS GUARANTEED FOR 65KW AT 20 MVA AND % IMPEDANCE 13.75. PLEASE TELL US AT WHAT LOAD LOSS AND % IMPEDANCE IT SHOULD BE DESIGNED FOR 16 MVA AND WHAT WILL BE ITS EFFICIENCY AT 20 MVA?

3359

what is Fault level? why it is calculated? how will u decide same for our plant?

1998

how dia of wire and angles are calculated for overhead shielding wire to protect substation equipment from lightening strokes???

1987

what is the importance of Partial Dischage test for Electrical Equipments

1873

How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?

2023

How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?

1039

what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..

2067

Post possible questions for Power Factor Panel FAT / SAT

1369

why it is not advisable to run low rating (19KVA) DG sets in parallel for long durations even though they are provided with droop ckts (QDC)

1863

What are hrc fuses and where it is used?

1140

what is smartµ grid technology?under coal gassification?

1905

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