How do you maintain the earthing resistance?
Answer Posted / r
1. by adding water, coal., salt on monthly basis
2. by checking earth resistance of earth pits yearly
| Is This Answer Correct ? | 30 Yes | 8 No |
Post New Answer View All Answers
how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take
what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
What is force on a conductor in a magnetic field ?
how can maintain the power factor and why and this is how do work tell us
how to calculate the size of the HT cable
Where servomechanism is used?
specify the inbuilt protections in DG
I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.
How capacitor improves pf
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
Explain how you decide what size of electrical wire do you need?
Can an inverter be used as a converter? How?
PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?
how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)