Electrical Engineering Interview Questions
Questions Answers Views Company eMail

I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1191

Why resistance is not measure in running conditions of motor

Falcon,

1 2345

What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

Haldia,

1417

How test for Ddo vector group test condition?

1955

what do you mean by power factor ? in new view

BDL,

3 3494

Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

Sanima Hydro Power,

3 2991

What is mean 2XWY

Wilo,

1967

How to calculate Voltage regulation of 22 KV Over head Line.

1179

Actually why the transformers are rated in KVA.?

BSL, Engineering,

4 4740

How Can Be Size Of Transformer Corelate With Freqvence?

Essar,

1 1837

Is a current transformer step up or step down ?

2 2698

what is PWM in IGBT and how it works for drive.?

BRG,

1219

In transmission line 11kv,33kv etc are rms values are peak or others??

1 5891

What is transformation ratio what it describes?

Cushman Wakefield,

1159

How i can calculate the cable size for given load,there is any formula,for 3 phase and single phase

Prescient Technologies,

2 2557


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Un-Answered Questions { Electrical Engineering }

how can we say that stator magnetic field rotates with synchronous speed?can we derive?

1290


How to select a transformer group to connect a 0,433 KV generation with 33 KV grid in bi directional flow of current

1108


Igfet is a

1181


Explain advantages of storage batteries

629


completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

1183






impliment (AB)`+C to transistor representation

1322


Role of active and reactive Power sharing in between two synchronized Generators, Droop Setting role ?

1271


when qty of cable being purchased is not sufficient according to the standard,what should the inspector do to ensure its quality according to the standard?

1514


why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

1512


current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

1148


How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

13281


what is there inside an inverter and how it works?

1280


Why power genaration in India is at 50HZ while America its 60HZ

1858


what is doid

2285


Is it possible to make a 5P10/ CT Ratio 50/1A Burden 5VA

1211