Irrigation Engineering In case of a trapezoidal notch fall Splay downstream from the notch section is 22½° Top length of the piers should not be less than their thickness All listed here Splay upstream from the notch section is 45° Splay downstream from the notch section is 22½° Top length of the piers should not be less than their thickness All listed here Splay upstream from the notch section is 45° ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called Aqueduct Syphon-aqueduct Syphon Super passage Aqueduct Syphon-aqueduct Syphon Super passage ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For wave action in dams, the maximum height of freeboard is generally taken to be equal to (where hw is height of wave.) 1.25 hw 0.5 hw 0.75 hw 1.50 hw 1.25 hw 0.5 hw 0.75 hw 1.50 hw ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering River training for depth is achieved by groynes both (A) and (B) groynes and bandalling construction of dykes or leavees groynes both (A) and (B) groynes and bandalling construction of dykes or leavees ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D₁ and D₂ are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is (D₂ - D₁)3/3D₁D₂ (D₂ - D₁)3/2D₁D₂ (D₂ - D₁)3/4D₁D₂ (D₂ - D₁)3/D₁D₂ (D₂ - D₁)3/3D₁D₂ (D₂ - D₁)3/2D₁D₂ (D₂ - D₁)3/4D₁D₂ (D₂ - D₁)3/D₁D₂ ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Retrogression of the bed level of a river downstream a weir, occurs due to Less percentage of silt Soft soil strata 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 ANSWER DOWNLOAD EXAMIANS APP
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