The ratio of width to depth for the most economical rectangular section in open channel flow is_________________?

Related Mcqs:

A tube is specified by its____________________?

A. Thickness only B. Outer diameter only C. Thickness & outer diameter both D. Inner diameter...

Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?

A. Df + Bf = Wf B. Df = Bf + Wf C. Df + Bf + Wf =0 D. None of these...

As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?

A. 1/μ B. μ C. μ2 D. 1/μ2...

The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides ‘x’ & ‘y’ is given by_________________?

A. 2xy/(x + y) B. xy/(x + y) C. (x + y)/2xy D. (x + y)/xy...

The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is___________________?

A. √(HW/π) B. HW/2 (H + W)2 C. HW/4 (H + W)2 D. 2HW/(H + W)...