Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between 30 to 60 cumecs Over 60 cumecs Over 100 cumecs 30 to 33 cumecs 30 to 60 cumecs Over 60 cumecs Over 100 cumecs 30 to 33 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a standing crop, the consumptive use of water is equal to the depth of water Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil Transpired by the crop Transpired and evaporated by the crop Evaporated by the crop Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil Transpired by the crop Transpired and evaporated by the crop Evaporated by the crop ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Khosla, the exits gradient of surface flow Depends upon the b/d ratio Is independent of the depths of d/s cut off walls Is independent of the b/d ratio None of these Depends upon the b/d ratio Is independent of the depths of d/s cut off walls Is independent of the b/d ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A fall which maintains its depth, is All listed here A low weir fall A trapezoidal notch fall A rectangular notch fall All listed here A low weir fall A trapezoidal notch fall A rectangular notch fall 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 = 0.22 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.44 √(H + d) B = 0.22 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.44 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ? slope-area method area-velocity method moving boat method ultra-sonic method slope-area method area-velocity method moving boat method ultra-sonic method ANSWER DOWNLOAD EXAMIANS APP