Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1 + (0.9)010 1/(1+ 0.9010) 1/(1-0.9°10) 1 – (0.9)°l0 1 + (0.9)010 1/(1+ 0.9010) 1/(1-0.9°10) 1 – (0.9)°l0 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering 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 2R (θ + cos θ) 2R (θ + tan θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + cos θ) R (θ + tan θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Bligh's creep theory, percolating water flows along Circular path under the foundation of the dam The outline of the base of the foundation of the dam Straight path under the foundation of the dam None of these Circular path under the foundation of the dam The outline of the base of the foundation of the dam Straight path under the foundation of the dam None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The consumptive use of water for a crop All of these Is measured as depth of water on irrigated area May be supplied partly by precipitation and partly by irrigation Is measured as the volume of water per unit area All of these Is measured as depth of water on irrigated area May be supplied partly by precipitation and partly by irrigation Is measured as the volume of water per unit area 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 T = kd T= Vkd k= VTd T = k/d T = kd T= Vkd k= VTd T = k/d ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the Neither (a) nor (b) Both (a) and (b) Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the Neither (a) nor (b) Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
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