Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Comparative difference between 33Kv & 66KV for transmitting the load of 7 MW at a distance of 34 Km.

NHPC,

6 15664

APPLICATIONS OF SHUNT GENERATOR

Wipro,

1 11682

whats the advandage of PMG in alternator?

2 18874

what is the d/f b/w iverter & converter.

Indeco,

5 7955

how bucchos relay works in a transformer

Indeco,

8 13062

how generater works

4 6921

what are the main parts of UPS what is the function of that?

Apollo, HCL, Liebert, Royal Furnishers, Tech Mahindra,

23 116267

Which transformer is suitable for 220/11 kV, 60 MVA, distribution , Y-Y or D-Y or Y-D, give comparison for the same.

3 10889

why do power factor in the three phase induction motor increases with the load ???.

Jindal,

3 13579

How to calculated capacitor rating both HT

Reliance,

10 25974

How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

2376

Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?

OPS,

4324

Dear All please ive me ur ideas... What is the major diff between cu conductors and Al conductors ?

MX Technology,

3 6060

hoe to select the cable size in sq mm for certain load?

TCS,

5 10382

how to select DG set for certain load?

ACC,

7 24232

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Un-Answered Questions { Electrical Engineering }

what about SAP/MRP regarding manufacturing of electric motors and all drives?

2019

What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

2648

how to calculate singlephase motor efficiency?

2240

Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

1602

How to assume answer to electrical questions

1533

What is the vector group of a transformer,how can it be found out?

2052

What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

2327

what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.

2229

What is creepage distance..... what will be the value for different voltage level

1979

In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

2182

What happens to voltage when current is zero?

1291

I'm looking for a softcopy manual set for a Credence ASL- 3000. Anyone know where I can get it?

2065

what type of motor used to move a 1 ton gate? and relate ratings with load.

1812

When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

2009

How PADO software increase the efficiency of power plant?

6483

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