railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Building Component Substructure
The rise of an inverted arch in the inverted arch footing is about _______ times the span.
1
2/3 to 1/2
2
1/2 to 1/3
3
1/3 to 1/5
4
1/5 to 1/10