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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

Indcoil Transformers, Power Grid,

1673

what is the need of capacitor in transmission lines?and how it works.

SCCL,

2 3258

What is fault.?

AngloGold Ashanti, MNC,

2 2751

why US countries maintains 110v and 60HZ

1373

Is current shock due to voltage or current? pls answer

ABB,

2 5366

why are installed water leakage detection system data centers & server rooms

Reliance,

1431

internally connection of photvoltic module

1021

what is the meaning of 1250 KVA Trasformer

2 4246

What is the power factor,apparent power,reactive power and formula of power factor.

MNC,

3 3370

Why transformer is rated in kva?

L&T, NDPC,

4 5683

What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

2724

What is difference between potiential,volatge and emf

1 2278

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

BSBK, IOCL, NTPC,

5 6587

If the kvar rating of capacitor bank is 600 kvar at 525V then what it's rating at 415v.

2 3573

When we need start the motor by method of star delta which size (KW or HP)motor should must be operate in Star Delta Method,

3 3073


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Un-Answered Questions { Electrical Engineering }

what is the advantage of connecting capacitors in delta than in star?

1227


Why do not we prefer non conventional sources of energy to conventional sources?

258


direction of tarbine& genrator

1189


explain remenance . differentiate high remenance type ct & low remenance type ct

1100


The electromagnetic torque developed is proportional to what in a D.C series motor?

269






why ten delta testing is carried out on power transformer

955


How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

2375


bsnl tta exam question

1079


how to carried out DAR test in 11 KV Alternator ?

1398


HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

1268


how we findout a ignater is faulty or not?

1109


How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

1051


What cmos is and its benefits?

229


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

1517


how to discharge 3 phase power factor correction capacitors

1623