What is the assumption that is taken during the entire design of an ov – McqOptions

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1.	What is the assumption that is taken during the entire design of an overflow spillway?
A.	The upper and lower nappe is subjected to negative pressures
B.	The upper and lower nappe is subjected to full atmospheric pressure
C.	The upper and lower nappe is subjected to zero atmospheric pressure
D.	The upper and lower nappe is subjected to both positive and negative pressure
Answer» C. The upper and lower nappe is subjected to zero atmospheric pressure

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