The ratio of the depth of flow to the hydraulic radius for the most economical trapezoidal section, in open channel flow is_____________________?

Related Mcqs:

Horsepower increase of a centrifugal gas compressor without altering the volumetric flow rate will _____________ the gas discharge pressure?

A. Increase B. Decrease C. Not change D. Exponentially decrease...

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...

The maximum delivery pressure of a reciprocating compressor may be about ______________ kg/cm2?

A. 1000 B. 2000 C. 3000 D. 4000...

The discharge through a rectangular weir varies as ___________________?

A. H1/2 B. H5/2 C. H2/5 D. H3/2...

In a stabilised soap bubble, pressure inside it compared to external pressure is________________?

A. More B. Less C. Same D. Unpredictable...