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.

I want to know in body earthing which material can be use either copper plate or GI plate please guide us which is best option.

3 Answers  

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how we select the mva rating of the circuit breakers?

1 Answers  

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What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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why we are using the ac supply in domestic purpose why don't use dc supply

6 Answers   Airtel, SSIL,

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Cummins 750 KVA generator how much disel consumed per hour and how many units generated on 100% full load.

1 Answers  

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what is meant by transformer differential protection ?

3 Answers   BFL,

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What is Reactance & Impedance? what is diffrence between these?

2 Answers  

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what is the speed of current

4 Answers  

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what is total power generation in tamilnadu What are the methods used powerfactor improved? which place DC transmission line usde?

5 Answers  

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What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com

0 Answers  

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In a 11KV 3phase system do you need to earth both sides of the cable?

2 Answers  

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what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)

0 Answers  

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