The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

Related MCQs

• The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
• The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to
• The hydraulic mean depth or the hydraulic radius is the ratio of
• 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)
• A channel is said to be of most economical cross-section, if
• 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.
• The discharge through a channel of rectangular section will be maximum, if
• 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