How many types of lightings are there
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Answer / k.prakashchandra
Mainly 1)direct stroke i)A type ii)B type 2) indirect stroke
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Answer / muralikrishnareddy
Mainly 1.Direct 2.indirect 3.Semi Direct 4.Indoor
5. out door
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what is buchholz relay?what is it used for?
8 Answers Engineers India Limited, NFCL,
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why star 2 delta or delta to star preferred mostly then star to star and delta to delta ?
in dc series motor if field wdg is shorted then
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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan
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