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HCL Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between earth and neutral?

56 122485

why earth hole size is biggest in plug point?

22 29787

What is the difference between online ups and offline ups?

44 190459

How to calculate the size of the conductor for particular load

9 21072

why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer.

12 56019

why transmission line 11Kv OR 33KV,66Kv not in 10kv 20kv?

43 96087

In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

16 79200

A 100 MVA transformer may be cooled with?

6 7125

what is the effect of power factor on DG supply,i mean to say what will the effect if we add capactors on dg supply.

4 4639

what are the main parts of UPS what is the function of that?

23 99219

how many earthing should need for UPS, where its connected

7 7032

can SMPS work in DC supply ?

10 16549

Why we choose 400kv,220kv,132kv,66kv,33kv transmission voltages for transmitting power. Why not other voltage levels.

21 47536

what we happen if 400 kvar cpacitor banks are on in manual mode and there is no load on mains ??????????????

7 5598

what is the difference between elcb,rccb,mcb.

8 34633

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