A channel is said to be in scouring when the critical velocity ratio is

Related MCQs

• When the critical velocity ratio is less than one, the channel is said to be in silting.
• Non-silting, non-scouring velocity is called
• The opening in the weir wall with a crest at low level on the canal side is known as under sluice or scouring sluice.
• The function of a scouring sluice is
• A degrading river is a scouring river.
• If the critical shear stress of a channel is xc, then the average value of shear stress required to move the grain on the bank is
• The channel after attaining its section and longitudinal slope, will be said to be in
• According to Lacey, a channel is said to be in regime, if
• The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is
• The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called