Concrete contains
(i)Siliceous aggregates, having higher coefficient of expansion
(ii)Igneous aggregates, having intermediate coefficient of expansion
(iii)Lime stones, having lowest coefficient of expansion
[ A ] i and iii
[ B ] ii and iii
[ C ] i and ii
[ D ] i, ii and iii

1 Answer

Answer :

[ D ] i, ii and iii

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