Irrigation Questions

• For loss of head in a canal inverted syphon barrel, the factor in the Unwin formula is a coefficient for loss of head due to
• The difference in level between the top of a bank and supply level in a canal, is called
• Groynes are generally built
• For the conditions enumerated to provide a crossing at C1 You will probably provide
• Side slopes generally kept for canals in loam soil, are :
• If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is
• A river training work is generally required when the river is
• The length of a meander is the distance along the river between the tangent point of one curve to the tangent point of
• The main function of a diversion head works of a canal from a river, is
• When a canal and a drainage approach each other at the same level, the structure so provided, is
• If B and d are the bed width and depth of a channel in metres, the combined losses due to evaporation and seepage in cumecs per kilometre length of the channel, is
• According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase
• Pick up the incorrect statement from the following:
• F.S.L. of a canal at its head with respect to parent channel is kept
• For the design of major hydraulic structures on the canals, the method generally preferred to, is based on
• The top of the capillary zone
• Pick up the correct statement from the following:
• For smooth entry of water in a canal, the angle between head regulator and water is generally kept
• Pick up the correct statement from the following:
• The intensity of irrigation means