Answer Posted / sureshs

Magna Guass Meter

In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

1819

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What is the suitable transmission voltage?

1024

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what is calculation mathod/formaulla for deciding Size of busbar (Copper/ aluminum)for L.T. panel on Various Fault level like 50kA,25kA,10kA

2741

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is oil viscosity affect on motor current?

1952

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3 phase Motor will be given 2 phase after 2 to 5 second we given 3rd phase so Motor Run sum-time in forward or sum time run reverse direction. All time phase sequence is not change. Why motor run in reverse direction? Please Explain........

1902

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how to caculate cable size for diff types of loads? if anyone know the calculating procedure please tell me

1384

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why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

1925

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explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

2645

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Why derating factor os applied on Cables?

1899

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how to carried out DAR test in 11 KV Alternator ?

2250

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explain the types of drives

1923

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why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

1810

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1.how many types of relays? 2.difference between ATS& STS?

2100

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Why is the starting current high in dc motor?

1073

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What type of pipe material G.I or M.S is used for sprinkler system?

9114

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