The main reinforcement of a R.C. slab consists of 10 mm bars at 100 mm spacing; if it is desired to replace the 10 mm bars by 12 mm bars, then the spacing of 12mm bars should be
(a) 120 mm (b) 140 mm (c ) 144 mm (d) 160mm

1 Answer

Answer :

(c ) 144 mm

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