Related Questions

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
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
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
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
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
The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
A Half the depth
B Half the breadth
C Twice the depth
D Twice the breadth
Normal depth in open channel flow is the depth of flow corresponding to
A Steady flow
B Unsteady flow
C Laminar flow
D Uniform flow
If the depth of water in an open channel is greater than the critical depth, the flow is called
A turbulent flow
B critical flow
C torrential flow
D tranquil flow
If the depth of water in an open channel is less than the critical depth, the flow is called
A Critical flow
B Turbulent flow
C Tranquil flow
D Torrential flow
The ratio of width to depth for the most economical rectangular section in open channel flow is
A 0.5
B 1
C 1.5
D 2

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