Answer / k.prakashchandra

They can made to rotate in anti clock direction if the wings
are reshaped to blow the air. Originally the ceiling fans
were made to rotate in Ac direction only to suck the hot air
from fire place,when they were introduced in India by
Britishers.The direction was changed for cooling purpose
instead of circulating hot air.

What is the diffrence between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1 Answers  

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what is stacking factor?

1 Answers  

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How to decide the rating of CBCT? We have 6.6Kv switchgear & having 50/1 cbct ,i want to know how this 50/1 A came? On what basis we decide CBCT reting?

1 Answers   Cross,

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is 60hz freq better than 50 hz?&why?

1 Answers  

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When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

1 Answers  

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how can we calculate the current

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what is the meaning of rms value

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Is there any difference between circuit breakers and isolators

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What is the ideal position cooling fan inside the dc motor?

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How ships are protected from lightning?

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3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,

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For high frequency application we use which transformer?

0 Answers  

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