1.
Which type of earthing is also called as ‘fire earthing’?
2.
What is the dimension of the copper strips used for the strip earthing?
3.
What type of earthing is used by transmission lines?
4.
What should be the value of earthing resistance for large power stations?
5.
What is the diameter of the GI pipe through which the earth wire needs to be taken out?
6.
Which set of rules are to be verified on completion of wiring on any new installation?
7.
Branch circuit must not feed more than __________ points.
8.
The leakage current must not be more than ____________ of maximum supply current
9.
______ should be provided as the working space around the main switchboard according to IE rule 51.
10.
At what temperature value is the insulation resistance corrected if it is measured to be different?
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