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HCL Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what is the difference between earth and neutral?

56 118910

why earth hole size is biggest in plug point?

22 28116

What is the difference between online ups and offline ups?

44 188070

How to calculate the size of the conductor for particular load

9 20223

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 53782





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

43 92945

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

16 77340

A 100 MVA transformer may be cooled with?

6 6588

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 4363

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

23 96944

how many earthing should need for UPS, where its connected

7 6675

can SMPS work in DC supply ?

10 15887

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

21 45543

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

7 5257

what is the difference between elcb,rccb,mcb.

8 34023

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Un-Answered Questions

i cannot go to my computer to set up why?

747


Hi all see the problem is, suppose i sold goods to customer 10 units @ 120 & my COGS (cost of goods sold) is 100 per unit . After that he told me your quality is not good ok & u r charging high 4 that i will pay you only 110 rs for that otherwise i will return ur goods. After that i made 1 credit memo 4 that of rs 10 ok. now the issue is it is also affecting the COGS but it has to remain same And will effect at profit & my profit must be reduced from 20 rs per unit to 10rs per unit & COGS must remain constant i.e is 100 rs

863


What are the various types of BUSBAR Schemes? explain each

3502


what is the max. and mim. height of vertical post in informatry sign board which is used in highway projects.

1164


what are the membranes does a water molecule pass between the soil and a vacuole in a mesophyll cell?

691






why ups rating in kva? and why ups are in parellel?.why isolation transformer is used in ups?

748


HOW TO CALCULTE THE TR CAPACITY FOR SCREW COMPRESSOR, RECIPROCATING COMPRESSOR,PHE & COOLING TOWER? HOW TO CALCULATE THE FLOW RATING OF PUMPS?

2451


i m a student of 4th year ,i m unable to get the embassy appointment dates , and it details.............please help any body.My id=john_searching143@yahoo.com

719


As per ICH related substances stability trend limit from initial to shelf life

1837


what is the different between mechanical starter vs electrical starter? Solid stage starter? Soft starter?

1091


give a simple example of physical and logical data independence

1389


How to Modify Layout set for RVORDER01 for printing sales order confirmation. plz mention the detail coding Tahnks, Rahul

2656


how are reversing the direction of dc motor

487


IS THE SAMPLE POINT OF LPG SPHERE TANK PEFOR OR AFTER BUMP?

908


How does the size of the OPCODE field limit the number of operations? Give an example to support your explanation?

1230






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