Interview Questions Answers in Electrical Engineering

Questions / { reddy }

Questions Answers Category Views Company eMail

What is the basic principle of circuit breaker?.. I read that it works on electro-mechanical principle... Does it require both electric n magnetic conversion to act?

3 Electrical Engineering 5114

Question { 5821 }

what is different between grounding and earthings?

Answer

Grounding is used for the individual equipment at labs, even
at homes...

where as a earthing is merging of all the equipments etc,...

Is This Answer Correct ?

3 Yes

2 No

Question { 5821 }

what is different between grounding and earthings?

Answer

Grounding is used for the individual equipment at labs, even
at homes...

where as a earthing is merging of all the equipments etc,...

Is This Answer Correct ?

6 Yes

2 No

Question { 5505 }

why is a earth pit 10 ft usually? And, what should be the
distance betweeen two earth pit?

Answer

Its usually 10 ft cos as the soil works effectively for the
leakage and fault currents..

U can place 2mtrs apart..

Is This Answer Correct ?

3 Yes

0 No

Question { 5505 }

why is a earth pit 10 ft usually? And, what should be the
distance betweeen two earth pit?

Answer

Its usually 10 ft cos as the soil works effectively for the
leakage and fault currents..

U can place 2mtrs apart..

Is This Answer Correct ?

3 Yes

0 No

Question { Hyundai, 13593 }

What do you mean by Transformer?

Answer

Traansformer works on the principle of Mutual Inductance..

Tansformer is used to Step down or step up the Voltage level
as required for the need of meeting desirable voltage..

We can say its a static device which is used for the purpose
of distribution of voltage to the customers..

Is This Answer Correct ?

29 Yes

2 No

Question { Hyundai, 13593 }

What do you mean by Transformer?

Answer

Is This Answer Correct ?

16 Yes

3 No

Question { Hyundai, 13593 }

What do you mean by Transformer?

Answer

Is This Answer Correct ?

7 Yes

2 No

Question { 4396 }

I need a 33/690V Dry type transformer.How to select IP
class for this transformer.This will be an outdoor
transformer located in a highly polluted environment.

Answer

You had better go for oi; type transformer as it offers
better reliabilty in such kind of environment..

Is This Answer Correct ?

1 Yes

0 No