How can we check ELCB trip current sensitivity How can we check earth resistance value

2 Answers  

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

0 Answers   L&T,

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how to calculate power consumption in slip ring motor at different step

0 Answers   ABB,

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what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

0 Answers  

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What is mechanical interlock?Explain the uses?

2 Answers   HSL,

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if we give connection of 100watts bulb through a single phase energy meter ,the disc of a meter rotates why it happens?

1 Answers  

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why VCB are not used in 132KV system(above 33KV system)

6 Answers   Al Ahleia,

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what is the function of statics switch in ups and tell me parts

0 Answers   Dalkia,

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In a 132KV Grid Station where voltage level is 132KV, here,  why the rating of Surge arrests installed 120KV ? 

1 Answers  

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How to findout raw or ups power? its not indicated in socket,

0 Answers   Novo Nordisk,

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Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph

0 Answers  

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why spark is produced in mosquito bat?and what are the ways to reduce it?

2 Answers   Godrej,

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