Hydraulic radius is the ratio of ____________________?

Related Mcqs:

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

   A. 0.5 B. 1 C. 1.5 D. 2...

2. The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is_________________?

   A. 0.3 B. 0.9 C. 0.03 D. 0.66...

3. Hydraulic mean radius for flow through packed bed of spherical particle of size, ‘Dp, with porosity ‘ε’ is________________?

   A. (Dp/6) (ε/1- ε) B. (Dp/6) (1- ε/ε) C. ⅔Dp (1- ε/ε) D. ⅔Dp (ε/1- ε)...

4. Which of the following quantities are computed by using the hydraulic radius for noncircular ducts ?

   A. Velocity and relative roughness B. Head loss and velocity C. Reynold number, relative roughness and head loss D. Reynolds number and friction factor...

5. If ‘x’ is the depth of flow in an open channel of large width, then the hydraulic radius is equal to________________?

   A. x B. x/2 C. x/3 D. 2x/3...

6. 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)...

7. In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is_________________?

   A. 0.5 B. 0.84 C. 1.84 D. 1.25...

8. Hydraulic diameter for non-circular ducts is equal to ___________ times the area of flow divided by the perimeter?

   A. Two B. Three C. Four D. Eight...

9. The pump impeller and the turbine runner in a hydraulic torque converter___________________?

   A. Have the same diameter B. Have different diameters C. Are directly coupled D. None of these...

10. A hydraulic ram acts as a/an ______________ pump?

    A. Centrifugal B. Reciprocating C. Impulse D. Parallel cylinder...