The usual spans with R.C.C. poles are
A. 40 – 60 metres
B. 80 – 100 metres
C. 80 – 100 metres
D. 300 – 500 metres
Answer:C
The usual spans with R.C.C. poles are
A. 40 – 60 metres B. 80 – 100 metres C. 80 – 100 metres D. 300 – 500 metres