Irrigation Engineering The scour depth D of a river during flood, may be calculated from the Lacey's equation D = 0.47 (Q/f)1/2 D = 0.47 (Q/f) D = 0.47 (Q/f)1/3 D = 0.47 (Q/f)2/3 D = 0.47 (Q/f)1/2 D = 0.47 (Q/f) D = 0.47 (Q/f)1/3 D = 0.47 (Q/f)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Silt excluders are constructed on the river bed downstream of head regulator canal bed downstream of head regulator canal bed upstream of head regulator river bed upstream of head regulator river bed downstream of head regulator canal bed downstream of head regulator canal bed upstream of head regulator river bed upstream of head regulator ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called Aqueduct Super passage Syphon-aqueduct Syphon Aqueduct Super passage Syphon-aqueduct Syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering 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 k= VTd T = kd T = k/d T= Vkd k= VTd T = kd T = k/d T= Vkd ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Main purpose of mean water training for rivers is All of these Flood control To preserve the channel in good shape by efficient disposal of suspended and bed load To provide sufficient depth of water in navigable channels, during low water periods All of these Flood control To preserve the channel in good shape by efficient disposal of suspended and bed load To provide sufficient depth of water in navigable channels, during low water periods 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 All listed here Depth of the centre of pressure is 2/3H vertically below the surface Total pressure on the surface is equal to ωx̅ Depth of the point at which total pressure acts is equal to its moment of inertia divided by Ax̅ All listed here Depth of the centre of pressure is 2/3H vertically below the surface Total pressure on the surface is equal to ωx̅ Depth of the point at which total pressure acts is equal to its moment of inertia divided by Ax̅ ANSWER DOWNLOAD EXAMIANS APP