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Electrical Engineering Interview Questions
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how can we minimize the off load losses of a distribution transformer which is required to be energized 24x7 ?? capacity of the T/F is 1250 KVA and off load losses are around 2.0 KW.. can we use capacitor bank at the secondary of such a T/F to overcome off load losses? please elaborate briefly...thanks

 2 4178

an off load but energized 11/0.4 KV, 1250 KVA T/F has a power factor of 0.65(capacitive)..!! why is it so, though T/F being an inductive device ??

 4 4701

What are the specific gravity of fully charged and fully discharged lead-acid battery?

Mukand,

1 3497

pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

Mukand,

1466

what are doing the duall connetion in tree phase 10hp or etc motor with circuit diagram

Mukand,

1 1843

what is the circulate the diesel in DG in side pls tell parts name and picture with circulate the diesel

Mukand,

1536

why are the maintaine power factor and how can this control and this is how work.

Mukand,

1490

pls tell us AC plant are how do work and parts name with picture

Mukand,

1463

how can tell us the AC indoor or outdoor which Tr and formulls

Mukand,

1317

ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture

Mukand,

1639

how can see the ac indoor or out door ac which Tr

Wipro,

1564

where are the circulat the diesel in DG parts name with pictue

SSP, Wipro,

1640

what is the star delta connetion and how can do it a three phase motor with control witing with picture

Aurobindo, SA Kent, Wipro,

1814

what is the AC Plant and how can do the work with parts and picture tell us 150 Tr

Wipro,

1560

how can maintain the power factor and why and this is how do work tell us

Wipro,

1557

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Un-Answered Questions { Electrical Engineering }

how to calculate the earth mat design in 132 kv substation yard ????

5728

what's the exact magnitude of current, flows through Neutral?

1550

what is automatic voltage regulator?we can control the vlotage by using fuzzy controller in matlab?why we go for fuzzy?

1492

how to get electrical supervisour certificate in gujarat

1534

Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

1384




what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

1106

State norton’s theorem?

685

how to find impedance , mutual indatnce in transmission lines

1676

How does cost of generation from hydropower plant compare with other sources of electricity?

627

testing of Vector Group – YNaoD II

2463

Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

1535

what is residuel magnetism. and how order lead acid batteries for 24 volt. emergency lighting system.

1570

plz send me Bhel, Mahagenco, sbi previous exam paper for electrical engineer on my email-id kambali_smita@yahoo.co.in

1936

How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

1374

why the protection turbo generators is most complex?

1515

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