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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 3136

what is breaking capacity

1 3922

HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

ISRO,

1916

if any one phase of the 11kv/415v distribution transformer not delivering the supply voltage what will happen

2 4933

what is strip power factor?

TATA,

2112

What will happen if the voltage in my house drops from 220V to any lower voltage?

2124

diff b/w normal grounding and resistance grounding

1868

why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1896

What is Procedure the procedure to select CT's & PT's in 66kV and above substation

1 2846

Why we apply only reduced voltage to the alternator while conducting slip test ? also the current increases to a larger value with reduced voltage itself Why ?

1 7046

What are the main problems in distribution? I have to do an assignment so which problem should I choose? Like power factor problem etc.

4 5755

In the diesel generator if there is an AVR (auto voltage regulator) gone faulty, in this condition is there any way to generate the voltage from the alternator? I need a brief explanation can you please help somebody

Vodafone,

1 5606

Can anyone tell the proper diagram of star delta starter????

1872

how to calculate singlephase motor efficiency?

Alstom,

2184

can you any one give exact mathematical relation between AC current and DC current?

1922


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

wish of these transformer uses oil?

1575


what is the k var ratting of 1250kva

1990


Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

1826


What is Surge Capacitor? Why it is use in Generator Circuit Breaker?

5072


Refernce currents are to be generated using refernce cueernts how can this be done

2203


WHAT IS THE MEANING OG (li = 7 In)

2138


How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

2093


kindly send me 11KV MV motor differential protection procedure by primary injection method.

1375


What does the term “voltage regulation” means?

1030


Draw a 230kv two-bus bar system showing the following. 1.Two generators (150MW) each connected through one 15.75/230KV transformers 2. 1 outgoing lines 3. Two 230/130 KV transformers 4. BUS PT's 5. CT

2538


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

1840


What is the formula to calculate the no load current of a single & three phase induction motor

2215


What do you mean by a current transformer?

1044


What is tan delta & PPM in transformer? and whats its IS value?

2077


CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

2602