Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

0 Answers  

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A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.

0 Answers  

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7. Why AC motors, AC bulbs etc... are donot operated by DC signals? and Why DC motors, DC bulbs etc... are donot operated by AC signals?

2 Answers   Bhel,

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WHAT HAPPENS IN DIFFERENTIAL PROTECTION IF CT REACHES ITS KNEE VOLTAGE POINT?

4 Answers   Jindal,

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140 is load amps for a equipments and what ratio of CT requied for installimg ammeter to amps montering purpose?

1 Answers  

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?? how to calculate lighting system ????

1 Answers   L&T, Synergy,

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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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What is BKW of Motor. And what its significance

1 Answers   CGL, PK, Thermax,

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which of the following motors is non-self starting?

3 Answers   SS Solutions,

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125Kva Dg can take up how much amphere load.

7 Answers   Indian Railways,

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In explosive and polluted environments which type of motors do we use?

3 Answers   NTPC,

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tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?

10 Answers   ABB,

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