Irrigation Engineering Retrogression of the bed level of a river downstream a weir, occurs due to Heavy impact of water Increase of the bed level Less percentage of silt Soft soil strata Heavy impact of water Increase of the bed level Less percentage of silt Soft soil strata ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is (1/200) × (B + d)2/3 (1/100) × (B + d)2/3 (1/150) × (B + d)2/3 (1/50) × (B + d)2/3 (1/200) × (B + d)2/3 (1/100) × (B + d)2/3 (1/150) × (B + d)2/3 (1/50) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum permissible eccentricity for no tension at the base of a gravity dam is B/2 B/6 B/4 B/3 B/2 B/6 B/4 B/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Groynes are generally built All listed here Perpendicular to the bank Inclined downstream up to 30° Inclined up stream up to 30° All listed here Perpendicular to the bank Inclined downstream up to 30° Inclined up stream up to 30° ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is 15 cm 10 cm 25 cm 20 cm 15 cm 10 cm 25 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Effective precipitation for a crop may be defined as Total precipitation minus the loss due to infiltration Total precipitation minus the loss due to evaporation Available water stored in soil within root zone of the crop Total precipitation during the crop period Total precipitation minus the loss due to infiltration Total precipitation minus the loss due to evaporation Available water stored in soil within root zone of the crop Total precipitation during the crop period ANSWER DOWNLOAD EXAMIANS APP
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