Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the responsibilities of electrical project engineer?

2 5151

For backup batteries connection,which method is best? series or parallel ?  

ABC,

3 6426

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

NTDC,

1 4264

If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

3 5043

what is the difference between grounding and earthing......how can we differentiate each other.....

Wipro,

2 4625

How RTCC panel is working and give single line diagram for RTCC with transformer?

AB Associates,

2616

1 sq mm conductor=? how many amps

3 7470

how to calculate power

3 6076

Why mostly the HV side of transformer has Delta?

2733

how current is reverse from its normal direction during the fault?

HGF,

1965

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

Ispat,

3175

I have a transformer 3phase 11kv/410v and its name plate missing. now how can I judge its rated kva?

Coca Cola,

2 8678

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

RIB Software, TATA,

2 8073

how to calculate the cable size depending on the transformer rating

2 4724

what is the meaning of impedance protected in instrument cooling fan

2758


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Un-Answered Questions { Electrical Engineering }

What is the two pole structure?

1395


ho can we calculate the conductor insulation value according to their ratings like voltage,current etc.how insulation value related with voltage,current and power of amachine

1561


Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

3199


how to synchronize 3 phase slip ring induction motors of different ratings.

1759


I want to know Electrical Circuit?

1677






PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.

1504


What is the basic principle of welding process?

1649


sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

1624


why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1485


What is super thermal power plant? and how it will differ from normal thermal power plant

1807


how many types control panel of a 132/33 kv substation

2196


can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)

1514


rajha power sector details

1518


Can we test the alignment of End shield and stator of turbogenerator without rotor insertion? Also how to fix maintain the alignment at site installation?

1762


How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

2220