The usual spans with R.C.C. poles are
A. 40-50 metres
B. 60-100 metres
C. 80-100 metres
D. 300-500 metres
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Answer: C
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The usual spans with R.C.C. poles are
A. 40-50 metres
B. 60-100 metres
C. 80-100 metres
D. 300-500 metres
Answer: C
Share your understanding of this question with the correct explanation.