Irrigation Engineering Irrigation water having the concentration of Na++ , Ca++ and Mg++ as 20, 3 and 1 Milli equivalent per litre respectively will be classified as high sodium water very high sodium water medium sodium water low sodium water high sodium water very high sodium water medium sodium water low sodium water ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Hydrodynamic pressure due to earthquake acts at a height of 4H/3π below the water surface, where H is the depth of water 3H/4π below the water surface 3H/4π above the base 4H/3π above the base 4H/3π below the water surface, where H is the depth of water 3H/4π below the water surface 3H/4π above the base 4H/3π above the base ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is 7.2 xlO6 0.6 x 106 2.4 xlO6 0.2 x 106 7.2 xlO6 0.6 x 106 2.4 xlO6 0.2 x 106 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD1/2 Q = 1.71 BD3/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD1/2 Q = 1.71 BD3/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to gravity dams, earthen dams are costlier require less skilled labour require sound rock foundations are less susceptible to failure are costlier require less skilled labour require sound rock foundations are less susceptible to failure ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Under the same conditions, which of the following shapes of water surface will give the highest rate of evaporation ? flat water surface convex water surface concave water surface independent of shape of water surface flat water surface convex water surface concave water surface independent of shape of water surface ANSWER DOWNLOAD EXAMIANS APP