Civil Engineering MCQAE Level Civil Engineering
In open channel flow, for a given specific energy E, there are generally two possible depths of flow. These are called:
Fluid MechanicsSpecific EnergyMEDIUM
Choose the correct answer
A
Sub-critical and supercritical alternate depths
B
Normal and critical depths
C
Sequent and conjugate depths
D
Uniform and varied flow depths
Correct Answer
A. Sub-critical and supercritical alternate depths
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For a given specific energy E (> E_min), there are two alternate depths: a larger subcritical depth (Fr < 1) and a smaller supercritical depth (Fr > 1). Conjugate/sequent depths are associated with hydraulic jump.
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