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Electrical Engineering Interview Questions
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WHICH SUPPLY IS BETTER FOR 4 MW LOAD. 1)TO TAKE NEARER AVAILABLE 11 KV SUPPLY OR 2)TO TAKE 33 KV SUPPLY WHICH IS AVAILABLE AT 10 KM DISTANCE BY INVESTING NEARLY 50-60 LACKHS

1 1706

why we use 110vac in overhead crains? why not 220v, 24v

SOFT,

3 5001

what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering

1300

how pt is using

1301

in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

DLF,

1 1689

Y phase's (RYB) r only 3,not 4 or 5?plz answered in breif?

1 2531

What is the fullform of NS fuse

Google, JAL International,

2 12692

what is transformer?

Mphasis,

4 4308

Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?

1 2559

what is meant by trivector meter?

2 3180

Why 11KV/440V distribution supply use for Domestic use?

Essar, Getco, Nissan,

3 11193

The power showed in the name plate of the motor is input power or output power?? The power showed in the name plate is 18.5kw measured current is 34.5 amps. location is india. can i calculate the efficiency of the motor using this data??

2 4666

I am EEE student i want to improve my core side skills.how cn i approach it?

Suzlon,

1825

how to select cable size for three phase?

1 4177

How out of step protection relay works?

APL,

1555


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Un-Answered Questions { Electrical Engineering }

why does a dc machine has high efficiency while working as a generator than as a motor ..

1308


i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

1419


What is the selection process of breakers. Can any one please give a formulation on same?

1526


What is the dependency of stiffness on load angle??

610


Give some differences between open loop and closed loop?

459






How to configure the drives in PLC, through Profibus commnication. And to how to address it?

2163


How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?

1248


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

1525


how can you size an automatic voltage regulator?

1681


How many kw will suply from one db

921


how the phase convertor changes the no. of phases

1393


how to identify vector group of three phase transformer by voltage method?

979


salam,hi, i need to know what the spesification of 300amp msb...

1411


What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

1625


What must be the minimum distance maintained between 2 Generators as per International standards?

1414