Is neutral transformer can be called as control transformer?
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We are using 4 MVA transformer and we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral, can we connect separate body earthing pit to other earthing pit (Equipment earthing)?
Why relay connected R phase and B phase.?
what is the difference between megger and earth resister ??
any body know about lighting arrestor. how to determine the height of lighting rod from top of bulding and how many area it cover.
what is d meaning of inrush current of a trafo ? how u can calculate this ?
sir what is the minimun earth resistance value of an industial bit and grid bit ? and Why?
heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass
What is evaporator & condencer & compressor
i want to know how to calculate the battery capacity based on the UPS . ex i want to run have one kva UPS Which should run 10 hours ? in that case how many batteries to be installed and what will be the AH Value .
why nearly all voltages are in the multiples of 11?
what is the resistance value of our human body?
Can any one tell me the current VAT, Sales Tax, Octroi and Excise duty for the financial year 2009 -2010. Say control panels are manufactured in maharashtra, then what will be the taxes for within Maharashtra and outside Maharashtra?