Irrigation Engineering The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as water application efficiency water use efficiency None of these water conveyance efficiency water application efficiency water use efficiency None of these water conveyance efficiency ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.44 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.44 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If A is the area of the surface, x̅ is the depth of its C.G. from the surface of the water and ω is the density of water, then Total pressure on the surface is equal to ωx̅ All listed here Depth of the point at which total pressure acts is equal to its moment of inertia divided by Ax̅ Depth of the centre of pressure is 2/3H vertically below the surface Total pressure on the surface is equal to ωx̅ All listed here Depth of the point at which total pressure acts is equal to its moment of inertia divided by Ax̅ Depth of the centre of pressure is 2/3H vertically below the surface ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Irrigation canals are generally aligned along Ridge line Straight line Valley line Contour line Ridge line Straight line Valley line Contour line ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3 A super passage An aqueduct A syphon aqueduct A syphon A super passage An aqueduct A syphon aqueduct A syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A land is known as waterlogged when gravity drainage has ceased None of these when the permanent wilting point is reached capillary fringe reaches the root zone of plants when gravity drainage has ceased None of these when the permanent wilting point is reached capillary fringe reaches the root zone of plants ANSWER DOWNLOAD EXAMIANS APP
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