Related Mcqs:

1. The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is________________?

   A. 0.1
   B. 0.55
   C. 0.95
   D. 1.85

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. Normal depth in open channel flow is the depth of flow in the channel ____________________?

   A. Corresponding to uniform flow
   B. Measured normal to the channel bed
   C. Corresponding to steady flow
   D. None of these

4. 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

5. Gradually varying fluid flow is an example of ____________ flow?

   A. Non-steady uniform
   B. Non-steady non-uniform
   C. Steady uniform
   D. Steady non-uniform

6. 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

7. The losses in open channel flow generally vary as the ________________?

   A. Inverse of the roughness
   B. First power of the roughness
   C. Square of the velocity
   D. Inverse square of hydraulic radius

8. 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

9. Open channel liquid flow is most conveniently measured by a__________________?

   A. Hot wire anemometer
   B. Notch
   C. Rotameter
   D. Segmental orifice

10. Flow measurement in an open channel is done by a/an ________________?

    A. Venturimeter
    B. Orificemeter
    C. Weir
    D. Rotameter