The flow at critical depth in an open channel is called torrential flow.

Related MCQs

• If the depth of water in an open channel is less than the critical depth, the flow is called
• If the depth of water in an open channel is greater than the critical depth, the flow is called
• The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.
• The discharge in an open channel corresponding to critical depth is
• The discharge in an open channel corresponding to critical depth is
• According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)
• The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.
• The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.
• When the flow in an open channel is gradually varied, the flow is said to be
• The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to