The usual spans with R.C.C. poles are_______________?
Correct answer: C. 80-100 meters
- A. 40-50 meters
- B. 60-100 meters
- C. 80-100 meters
- D. 300-500 meters
Explanation
R.C.C. poles are stronger and can support longer spans than ordinary wooden poles. Their usual span is about 80 to 100 metres, while shorter spans are more typical of lighter pole construction.
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