The number of discs in a string of insulators for 400 kV ac over head – McqOptions

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1.	The number of discs in a string of insulators for 400 kV ac over head transmission line lies in the range of
A.	32 – 33
B.	22 – 23
C.	15 – 16
D.	9 – 10
Answer» C. 15 – 16

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