Electrical Engineering Interview Questions
Questions Answers Views Company eMail

ALL HT /LT PANEL TEST? DISCRIPTION.

Essar,

24591

DIFFERNCE BETWEEN DCS AND PLC? HOW IT WORKS?

Essar,

752

How much duration I can keep open the CT if it is under loading condition(100 Amp load)?

NTPC, Suzlon, Infosys,

3 3560




How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

Biocon,

847

During a temperature rise test of a bus duct, it is fed with 415 volts at 2000 amperes. Why dont we get an electric shock if we touch the bus bars?

ABB, SDBL,

6 8041

how to calculate circuit breaker capacity

Siemens,

6 63328

what is the difference betweem star connected motor & delta connected motor?

13 82347

what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

ONGC, JEE Main, VRA,

16 104953




it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

TATA,

783

can v rotate single phase induction motor in both the direction...?

1 2711

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

790

How should i design a 1ph & 3 ph transformer. Kindly let meknow all steps and formulaes related to design from scratch.

744

how can i select the cable ratings

4 3477

i want to model paper for section engg.

Infosys, RRB,

837

what is the diffrance between earthing and grounding...?

Essar,

6 6514


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Un-Answered Questions { Electrical Engineering }

What is the basic principle of welding process?

844


how point on wave controller works.

1237


Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

857


how can we calculate the ratio of caustic soda and water in lrs.

3663


how to check three phase motor torque value?

907






What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

2043


HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

1002


Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?

920


Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

479


Write the programming software name for LG, SIEMENS,Messung,AB

721


how to read idmt curva

833


what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

1239


What are locations arc protection relay is fixed.

629


what is mean by PIR in circuitbreaker and give me detail of that?

2378


why occ characteristics of generator is also called as magnatization characteristics ?

713