The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is

Related MCQs

• 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
• Presence of tail water in a gravity dam i) increases the principal stress ii) decreases the principal stress iii) increases the shear stress iv) decreases the shear stress The correct answer is
• When the upstream face of a gravity dam is vertical, then the intensity of water pressure at the water surface and at the base respectively will be (where w is unit weight of water and H is the depth of water.)
• The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD) curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be
• For supplying water to rabi crop, kharif crop and sugarcane, the channel is designed for a capacity equal to the greater of the water requirement of
• An outlet in which the discharge depends upon the difference in level between the water levels in distributing channel and the water course, is known as
• A device which ensures a constant discharge of water passing from one channel to another irrespective of water level in each within certain specified limits, is called
• If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by
• If the R.L's of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be
• When the difference in weir crest and downstream river bed is limited into 3 metres, the weir, generally used is