Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the function of the serge absorber?

5 14742

What is a unit of gravity (Battery)

9 13438

what is the difference between surge arrestor and lightning arrestor ?

6 15117




what is the difference between scaler and vector control in drive and where it is to be used ?

TCS, Essar,

1 10691

What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 7289

In which working principal temperature transmitter work.explain in detailed.

1060

What is Harmonics & what are its efect & which harmonic is dangerous

IBM,

5 10778

How to find out kvar from any particular load capacity give a formula

3 4133




what are the units of cable insulation?

3 3280

What is the purpose of starter and choke in tube light?

TATA, TSPL, Chimay Brewery,

9 97087

will a bulb glow connected to two phases of a delta connection?

6 5263

Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.

DLF, amps,

5 14203

what we happen if 400 kvar cpacitor banks are on in manual mode and there is no load on mains ??????????????

HCL, Reliance,

7 5114

how to calculate cable size by amp

CDS,

19 42088

what is electric traction?

TCS, Volvo,

26 73898


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Un-Answered Questions { Electrical Engineering }

how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

915


HOW TO CALCULATE THE HEAT AND LOAD OF LT-SUBSTATION WHICH CONTAINS 2*1MVA TRANSFORMERS,LT SWITCH BOARD,MLDB,ACB,BUSBAR,ETC...?

2655


Explain Circuit Breaker Trip Characteristics in detail.

791


why we used dc supply for field in dg set

1065


what is the difference between RMS & TRUE RMS VOLTAGE

1619






what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

1139


i want to know that what is the eligibility critaria for ongc exam?

1777


all details of DG UPS HVAC

711


For 160kw motor what size of cable and material is needed.?

305


how does the terminal voltage of transmission lines increase when a capacitor is connected???? This happens not only in transmission lines but also in all circuits. How??? When a capacitor is connected in a transmission line, capacitor also takes energy from the same supply. But how is it able to increase the terminal voltage??? Practically What sequence of events happen during increase in voltage???

731


I completed iti in2004 I was worked in A grade contractor can I get c licence

543


list the advantages of RCCB over other circuit breakers?

468


Any Electrical Engineering jobs?Please refer for interviews. Thank you

702


why on delay timer used for fully automatic star delta starter?

476


difference between a diode and thyristor?

965