Irrigation Engineering Retrogression of the bed level of a river downstream a weir, occurs due to Heavy impact of water Less percentage of silt Soft soil strata Increase of the bed level Heavy impact of water Less percentage of silt Soft soil strata Increase of the bed level ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In a chute spillway, the flow is usually super critical critical uniform subcritical super critical critical uniform subcritical ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by (0.99)10 (0.9)00 1 – (0.99)10 l-(0.9)100 (0.99)10 (0.9)00 1 – (0.99)10 l-(0.9)100 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In rigid module, the discharge Is independent of water levels in the distributary and water course Depends upon the water level in the water course Depends upon the water level in distributary Depends upon the water levels of both, i.e. distributary and water course Is independent of water levels in the distributary and water course Depends upon the water level in the water course Depends upon the water level in distributary Depends upon the water levels of both, i.e. distributary and water course ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lacey's equation for calculating flood discharge in rivers, is V = 10.8 R2/3 S1/3 V = 10.8 R2/3 S1/2 V = 10.8 R1/3 S2/3 V = 10.8 R1/2 S1/2 V = 10.8 R2/3 S1/3 V = 10.8 R2/3 S1/2 V = 10.8 R1/3 S2/3 V = 10.8 R1/2 S1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The flow-mass curve is graphical representation of Cumulative discharge, volume and time in chronological order Cumulative discharge and time Discharge and time in chronological order Discharge and percentage probability of flow being equaled or exceeded Cumulative discharge, volume and time in chronological order Cumulative discharge and time Discharge and time in chronological order Discharge and percentage probability of flow being equaled or exceeded ANSWER DOWNLOAD EXAMIANS APP