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 onlyseries motors are used as universal motors? why not shunt?

TCS,

4 11202

int a,b ; a=b=10 ; if(a>b){ printf ("%d",a)}; no error output is a=10

TCS,

2 4751

How eddy current generation support the idea of train braking?

1997

Which phase is prefered for connecting 1phase vt used for synchronism in an OHL? why?

Siemens,

1 3962

which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

Siemens,

2045

from which formula we select a capacitor rating?

CLG,

2125

Why slip-ring and brushes are not required in squirrel cage induction motor?

L&T,

4 10716

why normally Generator rating are between 11Kv to 22Kv?

Torrent Power,

7 18663

How can Inductive load reduce the line voltage of HV transmission line and vice versa Capacitive load?

1 3915

what is meant by auto transformer?

Suzlon,

4 6914

what is tandem isolator ??????????

5 35861

Why delta connected motors are used normally.

4 6847

what do you call the last pole on a overhead line near a substation

2 4551

hi this toufik here. i am doing my b.e.degree.now i am in final year and supposed to do a project in this year so i thinking to control the buchholz relay using software base means checking the status of transformer oil using microcontroler, plc or scada. so can i do so...??? alz suggest me...

2 4354

from which formula we select a capacitor rating?

Suzlon,

4 9510

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Un-Answered Questions { Electrical Engineering }

In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

1226

TCS IS IT COMPANY THEN WHY DO THEY NEED ELECTRICAL &ELECTRONICS ENGINEERS?

1941

why don't we use the generator as a motor? and what will happen?

1884

What is pi controller?

1188

300m long and 30kw inductive loade 3phase supply how many size cable required

1433

How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2329

how we can explain arc heatng?

1936

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?WHAT IS THE NEED TO BE PHASE SHIFT CHANGE BETWEEN THE PRIMARY AND SECONDARY WINDING

1786

As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

1878

HOW MANY TYPES OF FUSE?

2097

what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

2365

rajha power sector details

2025

Form S and "c" license application both are same? @ tneb portal

1839

An automatic water heater is an example of which type of control system?

1167

What is the tension required for the 25000 CFM AHU belt

2487

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