In siemens S7-300 PLC, what is function and function
block ? What is the difference between them ? When to use
function and when to use function block ?
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is it possible to have dc motors on single chip
WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?
Grounding. Dear all at one of my site we checked the amps at the earthing cable to the alternator it was found 125 to 130 A. at the neutal cable in same machine found 146A. in the same plant checked the earthing current on other alternator it was 52A, and neutral 116 A. we are facing problems with our controller and the card was damaged once. can that neutral/GND current be a reason? as there is common grounding for the Alternator,Brkr panel,Transformer?
why should small green grass ans small plant should not be there inside the transformer Yard in the factories
what is the difference between brushed alternator ,brushless alternator & permanent alternator ?
how give earthing conection to household equipment?
what is the difference betn earthed and unearthed cables which is commanly used why?
Why the brushes used in dc machines are made of carbon not from other metal?
what is the reason of current flow in nutral although load is balanced (three phase equal current)
some basic standard questions on transformer.
What is battery Limit ?
What is the working principle of servo motor? And explain it.
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