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 potientiometer.What is the use of it.

1 5255

What are the types of relay ?

3 6867

How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?

5 9513

why only 11kv level is used for transmission purpose? why not 230v?

7 15623

what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 11731

What is percent age of scrap of wires as per IE Rule Clause No in wiring for House and Industrial wiring ?

3 4947

how does damper winding produces torque in synchronous motor?

1 5171

1.what is meaing of ups,and used in softwares and sud stations,and main partes in ups. 2.main partes of the Disel Genarator. 3.main partes of the chiller and safty equipments.

2 5044

1.Difference between vcb and Acb and partes. 2.Difference between STS and ATS.

2 7624

a transformer can beb used as aload?give discription

Esses Eltech Systems,

2 4736

with 3 phase board on a 63 amp rcd is it ok to have 6 electrical showers 2 on each phase and what problems could happen

1789

How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

ABB,

6 50987

Why we use Y-Y connection in power transformer (8-10 MVA, 132 kV to 11 KV)and D-y in distribution transformer (2 MVA, 11 KV to 440 Volts)?

4 11507

For the requirement of a furnace of temperature range up to 1200 oC using silicon carbide rods, What is the required rate of transformer needed (please do it with all details)?

Intel,

1911

why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

Siemens,

1940

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Un-Answered Questions { Electrical Engineering }

how diside ct mf exmp.200/5 ct

2147

What is meant by full pitched winding?

1126

what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

1574

How can we calculate ac current from the given DC current when AC voltage is given?

1908

boiler is running in rankine cycle and deisel generator is....?

2004

If UG power cable both ends are to be earthed or what? If not why?

1896

In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

1916

DC transmission

2028

How you calculating the 30 Hp 3 phase AC motor of power what size of cable is used for this motor?

1637

why chock were used in old tubelights but are not newest tubelights?

1907

how rectifier transformer work in electroststic precipetatore(esp?

2579

How a band pass filter is constructed?

1025

List the time domain specifications.

1020

What is mean by spike arrester(Voltage Operated)

2029

who can measure the size of power cable?

2108

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