Interview Questions Answers in Electrical Engineering

thiru

{ City } chennai
< Country > india
* Profession * estimation engineer
User No # 72612

Total Questions Posted # 2
Total Answers Posted # 3

Total Answers Posted for My Questions # 6
Total Views for My Questions # 14061

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Questions / { thiru }

Questions Answers Category Views Company eMail

If the t/f capacity is 500KvA then what is Amps ratting of the main breaker.

5 Electrical Engineering 7553

In a panel 2500A ACB is the incoming breaker then what is the size of the bus bar?

1 Electrical Engineering 6508

Answers / { thiru }

Question { Prestige, 11594 }

what is the difference between online and offline UPS?

Answer

Online Ups- 1.UPS static switch always on.
2.Ups static switch fail then the Main
static switch conduct.
3.Inverter always On condition.
Offline Ups-1.Main static switch is always on.
2.When the power supply off,the ups static
switch on and inverter are also ON the condition.

Is This Answer Correct ?

1 Yes

3 No

Question { 17055 }

what is the significance of 3.5 core cable? or what does this
half core mean and why is it required?

Answer

We take 3.5cx240sqmm Al cable,it have 3core for R,y,B phases
and 0.5c that is half of the Phase(120sqmm) for neutral.
That is known as LT cables.3C cables are HT cables.

Is This Answer Correct ?

7 Yes

5 No

Question { 7553 }

If the t/f capacity is 500KvA then what is Amps ratting of
the main breaker.

Answer

the above one is right,.

Is This Answer Correct ?

0 Yes

0 No