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Electrical Engineering Interview Questions
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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

Visa,

5593

can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V) to the output of 15KvA,3-phase online UPS(440V phase to phase)please brief.

 1 4954

1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

TATA, Wipro,

5 6069

Pls mail me utility & Dg related question with answer

 1401

how to calculate load if i have three phase & single phase connection from power transformer( in term of kw & kva).can i take single phase load/3 for total kw calculation

1 5502

What are all the problems occured while ac generator running in leading power factor at full load condition?

 1 1878

what happen ,if generator will generate leading power factor?

CD, NTPC,

6 15271

why current transformer secondary side should be shorted ?

Areva,

5 10887

How RTCC works with OLTC

Siemens,

1 4309

Explain in brief description about the operation of DG sets.

Siemens,

1871

What are the types of earthing? Explain dagramatically.

Siemens,

3 6473

how mach PF mainten in DG

Siemens,

6 8019

what is mean by amf

Siemens,

4 7874

why we r fixing harmonic filter

Siemens,

3 4702

please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

Bhel,

1501

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Un-Answered Questions { Electrical Engineering }

I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1438

HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

1522

Why using synchronising methed in DG's sets?

1711

We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

973

I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

1401




Define end float in a motor?

5463

WRITEDOWN FEW RELY CODES

1798

how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

1872

What is bridge rectifier and explain with details

1478

Define delay time.

644

1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

2433

what about electrical pannel.? What is meant by plc pannel.?

1863

how to calculate cooling requirement of datacentre from electrical load?

1856

Explain about c.t?

694

does any one know where we can purchase insulation oil for high voltage oil filled cables

1846

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