Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is CCT (Correlated Color Temperature) ?

1475

What is difference between Over Current & Earth Fault protection?

ABC,

1910

What is meant by shunt current?

ABC,

1 2700

How to size Air Circuit breaker (ACB)? What is the most important factors?

ABC,

1749

When to use Oil Transformer type and When to use Dry type? What is the difference between both?

ABC,

2 3976

Earth bits close or open. Which is correct

1288

i have 2kv ups how many watts batteries is required

2 3964

How to know vacuum in vacuum cylinder of breaker in working condition

1468

what is spadar bar .why I use in DC generator.

BSL,

1456

why tungsten is used in incandescent lamp instead of nichrome though nichrome has high melting point

2 3538

WTA used cb?

Tagros,

1419

Connection diagram for KW meter and  Kva meter

1762

What is the constructional difference between ceiling fan and table fan

2 3633

How to obtain B license from TNEB license board. What is eligibility?

Core, Reliance,

11 23632

what is the formula for building wiring to get the main breaker.

1 2186


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Un-Answered Questions { Electrical Engineering }

how test transfomer(3 phase75kva) by megger

1589


How does a television work?

1781


What is the difference between vector surge relay (78) and Pole slip relay (98G)

617


Which material is used for the core of a transformer and why?

579


hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

1517






EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1365


Explain mechanical rotational system?

616


hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

1630


What are conduct on the testing in cf in ur site?

1164


percetans

1680


if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1506


Who are the manufacturer for Nitrogen based Fire Protectio/explosion prevention for Oil Filled Transformers? India and international both?

1389


Define early construction of human being

1412


What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

3391


what are the problems that generally occur in power flows??

2512