The most economical central angle of the arch rings of an arch dam ca – McqOptions

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1.	The most economical central angle of the arch rings of an arch dam can be adopted only at one place preferably at mid-height in an arch dam is of the type __________________
A.	constant angle arch dam
B.	constant radius arch dam
C.	both constant angle and constant radius arch dam
D.	variable radius arch dam
Answer» C. both constant angle and constant radius arch dam

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