Followings are the statements with respect to erosion control structures :
(A) One of the primary causes of failure of permanent control structure is insufficient hydraulic capacity.
(B) Model studies of open channel structures are based on Reynold number.
(C) A given quantity of water in an open conduit may flow at two depths having same energy head.
(D) The capacity of chute spillway is decreased by sedimentation at the outlet.
Choose the correct answer from the options given below :
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- Alternate Depths: Two depths having the same specific energy for a given discharge.
- Froude Number: Critical parameter for gravity-driven open channel flows (\(Fr = V/\sqrt{gy}\)).
- Reynolds Number: Critical parameter for friction-driven pipe flows (\(Re = \rho VD/\mu\)).