In a trapezoidal channel section, what is the condition to keep the de – McqOptions

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1.	In a trapezoidal channel section, what is the condition to keep the depth of flow constant?
A.	Z = 1 and θ =30°
B.	\(Z =\sqrt{3} \) and θ = 90°
C.	Z = \(1/\sqrt{3}\) and θ = 60°
D.	Z = 1 and θ = 30°
Answer» D. Z = 1 and θ = 30°

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