Answer Posted / rajeshsan

Brushes with metal will lead arc and more wear & tear, Hence for large rating we will use carbon brushes. And for toy motor and very small motor use metal brushes.

in science exhibition how lamp can blink when you clap near the lamp ? thank you

1946

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WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2050

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What is depreciation factor?

2247

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I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.

2123

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what's the exact magnitude of current, flows through Neutral?

1955

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sugest any typical project ?

1795

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what is the difference between fault current ant short circuit current?

2689

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which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing

2590

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Why let through energy not considered for ACB breaker while cable sizing?

2382

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How can we increase the capacity of Energy.?

2267

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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

2482

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lorteny method

1978

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What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?

2195

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why we have to particulary use ACB for below ratings,even available of MCB,MCCB with that range ?

2905

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A 2083kva AVR was tested, phase to ground shows continuity, what is the implications

1008

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