how many earthing should need for UPS, where its connected
Answer Posted / natarajan
Two earth one for equipmet as server computer etc and other
for body.
Is This Answer Correct ? | 8 Yes | 0 No |
Post New Answer View All Answers
why tertiary winding is used in transformer with diagram?
What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.
what is basic difference betmeen normal & flame proof motor??
Why to keep capacitor bank off while generator running.
how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field
what is formula for calculate thermal overload in new numiricalrelay( not in bimetal relay)?
How will polarity test of Dy5 Transformer ?
what is self capacitance of inductor
What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
which type of questions asking for solar companies?
what's the difference between abs/inc encoders. apart from the position remembrance what are all the other differences. and what's mean by grey code.
how to erect roof control panel?