For a line-man while measuring the string efficiency of the insulator – McqOptions

MCQOPTIONS

1.	For a line-man while measuring the string efficiency of the insulator installation done, observes that it shows a reading of 100%. This means ___________________
A.	equal potential across each insulator disc
B.	one of the insulator disc is shorted
C.	zero potential across each disc
D.	none of the mentioned
Answer» B. one of the insulator disc is shorted

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