Answer / gajanan

in normal condition when sun rays strikes earths
surface ,some of them are absorbed and some are reflected
back to atmosphere. but due to pollution layer of gases
like co2, co, is formed in atmosphere which traps the sun
rays reflected by earths surface resulting in increasing in
temp of earth atmosphere that is called as global warming

Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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difference between dol and rdol startors?

2 Answers   Vijai Electricals,

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Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

0 Answers  

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whatis the commertial spec. of distribution boards ?

0 Answers   Bosch,

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How can transformer oil be used in transformers with voltage rating above its breakdown voltage?

2 Answers  

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what is ripple component in ac supply?

2 Answers  

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In separetly excited m/c,we excite the field by a dc source,what not with ac source?

2 Answers  

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what is an unbalance in acircuit? in a three phase 3wire circuit how an unbalance will come? in a three phase four wire system how an un balance is coming?

0 Answers  

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How one can say about a device (e.g: a light holder contains 20 or 30 L.E.Ds which glows when power supply is off, from which source they are getting the supply..... battery or capacitor) without removing and opening up its case ?

1 Answers   CMC,

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What is the difference between newtral earthing and body earthing?

3 Answers   JK Lakshmi Cement, NPCIL,

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why is corona loss greater in a stranded conductor as compared to a solid conductor ?

2 Answers  

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why the check zone and main zone are used for Busbar Protn. scheem?

0 Answers  

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