Irrigation Engineering Solution of Laplacian equation in three dimensions d²φ/dx² + d²φ/dy² + d²φ/dz² = 0 of water in a syphon, is done by Analytical method Unwin's method Khosla's method Method of relaxation Analytical method Unwin's method Khosla's method Method of relaxation ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Seepage through embankments in an earthen dam is controlled by relief wells drainage filters drain trenches provision of downstream berms relief wells drainage filters drain trenches provision of downstream berms ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The useful moisture of soil, is equal to its Difference between filed capacity and permanent wilting point within the root zone of plants Field capacity Moisture content at permanent wilting point Saturation capacity Difference between filed capacity and permanent wilting point within the root zone of plants Field capacity Moisture content at permanent wilting point Saturation capacity ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Attracting groynes are built Perpendicular to the bank Inclined up stream None of these Inclined down stream Perpendicular to the bank Inclined up stream None of these Inclined down stream ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The net head under which the turbine reaches its peak efficiency at synchronous speed is called operating head gross head design head rated head operating head gross head design head rated head ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Instantaneous unit hydrograph is a hydrograph ofi) unit durationii) unit rainfall excessiii) infinitely small durationiv) infinitely small rainfall excessThe correct answer is (i) and (ii) (i)and(iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP