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 positive,negative and zero sequence in power system?

4 9288

what modulation is used in landline telephone signals?

2 10911

how does bode plot have an advantage over root locus? how does it determine the stability of a system depending upon the location of poles and zeroes?

NBKR,

2 24890

Why the output of OP-AMP is always less than Vcc?

1913

In generation,transmission and distribution voltage frequency is either 50HZ or 60 HZ;why are only these frequencies?

2 5183

What is the Ramping rate of Generator. What mena Ramping rate

Siemens,

2 8019

what is ramping rate of generator

Core,

2069

How to create a SCADA diagram on PC? I run the DG everyday but i dont know how that animated single line diagram is created.Please answer.

1 4480

why so maney smaller size capacitor use instead of single Big size capacitor in apfc panel

1 2258

What is the diffrece between ACB & MCCB

8 13042

What is the diffrece between CAPACITOR BANK & CAPACITOR OF MOTOR?

4 8060

On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?

Ambe Consultancy, Siemens,

3 27469

what happens when the phase and earth wires comes in contact? and why

2 5689

how does the switching of capacitors in a capacitor bank take place when we use them at the load side to reduce the power factor?

2 5275

how to calculate power loss cost of aluminium conductor and copper conductor?v=500v.i=100A.x-section area=68mm.squre conductor

1 3960

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Un-Answered Questions { Electrical Engineering }

Is vtg is controlled by the resistor? if else how much?

2087

When we giving the 3 phase supply to ups system how to coming netural?

2114

how does it help for selection of a transformer.

1858

what is the use of piston rings in the engine used for a generator...........

2193

how maney type tempereture measurement ?

2258

When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

2093

how does the thyistor work in dc drive?

1982

why wire sizes are 3/29 or 7/29 and why not wire sizes are 2/29 or 6/29?

5150

1)How much current can a 3-1/2 core 100 mm wire carry? 2)What are the special cables required for explosion proof wiring? 3)In case you do not have coal and salt for earthing, how can you achieve good temporary earthing? 4)One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false, if true why? 5)What are the different types of soft starters for large motors?please explain?

4646

what id a dry type transformers and its function ?

1758

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2965

how rectifier transformer work in electroststic precipetatore(esp?

2649

What is industrial plc

1821

what is transient voltage?

2248

What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

1662

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