A channel is said to be of most economical cross-section, if

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 most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to
• 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 flow in a pipe or channel is said to be uniform when
• When the flow in an open channel is gradually varied, the flow is said to be
• The flow in a pipe or channel is said to be non-uniform when
• The most efficient section of a channel is
• According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)