how to give earthing in ships?
How does a television work?
If OLTC is in manual position there is chance to variation of voltage(Low or High)?
How can we calculate the motor frame sizes?
Terminal blocks is used for segregate the connections... There is any principle for terminal block..?
what is the different between DC & AC load Line.
How we calculate the size of H.T cable for any transformer & rating of busbar for any L.T. panel?
how much amp MCB is required for 1/2 kva power back up?
what is Insulation monitoring device. where it is used? (in switchgear room or control panel or in field equipment)
What happens to voltage when current is zero?
What conditions are required for transformer to operate at low frequencies ?
WHAT IS MEANT BY BTU OF AIR CONDITIONERS.
how to select energy meter? have any calculation?