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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is cogging in motors?

 1 5378

What is the function of RCCB? What are the different sensitivity ratings & each application?

Wipro,

6 33075

What are the details of ratings of different types of ACSR conductors?

 2 8825

Which type of DC generator is used for electric welding purposes and why?

 1 4945

i applied for the ap transco please forward the freqventley asked QA

 1539

Amoung all classes of electric machines, why the transformer uses oil as one medium of cooling?

 4 6147

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

 2 4922

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

 1 2897

What is the difference between MPCB and OLR?

ABB, Raj Agencies,

11 55008

in three pin plug point, whats the reason that one plug point is bigger in size

 4 5637

how to calculate cable bending angle in a trench?

Eastern Cement,

2 10170

give me the details of anti pumping relay

 2 4305

what are the main hormonics in ac?

 1 1886

what is use of substation? Any book on how to instal or construction of substations?

Siemens,

6 11956

How many losses in generators? how we can reduce them? and also in motors,transformers?

 1 1972

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Un-Answered Questions { Electrical Engineering }

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

1622

What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1427

i need project topics along with circuit diagram in the electrical and electronics engg and also some websites regarding projets.

1573

Keywords: Die, Card, Coin, B/N 2 To 12

793

Why synchorised generators are used for the production of electricity?

716




how solar power plant energy meter multiplication factor

1592

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

1470

- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

2227

What if the difference beween internal and exrteranal LBB?

1210

what is breathing?

1339

A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

767

What are the different types of transformers?

657

What is meant by impedance? difference between high & low impedance ?

1563

what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

1482

AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2172

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