Irrigation Engineering To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls All listed here Spaced at interval of 1½ times their heights Of height ⅓rd to ¼th the depth of water in the main canal Of R.C.C. or steel plate 8 cm thick All listed here Spaced at interval of 1½ times their heights Of height ⅓rd to ¼th the depth of water in the main canal Of R.C.C. or steel plate 8 cm thick 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 (1/100) × (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 (1/200) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the R.L’s of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be aqueduct syphon superpassage syphon aqueduct aqueduct syphon superpassage syphon aqueduct ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Both (a) and (b) Neither (a) nor (b) Entire cross-section of the channel is generated at all points by the forces normal to the Silt is kept in suspension by vertical components of eddies Both (a) and (b) Neither (a) nor (b) Entire cross-section of the channel is generated at all points by the forces normal to the Silt is kept in suspension by vertical components of eddies ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Presence of tail water in a gravity dami) increases the principal stressii) decreases the principal stressiii) increases the shear stressiv) decreases the shear stressThe correct answer is (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) 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)3/4D₁D₂ (D₂ - D₁)3/2D₁D₂ (D₂ - D₁)3/D₁D₂ (D₂ - D₁)3/3D₁D₂ (D₂ - D₁)3/4D₁D₂ (D₂ - D₁)3/2D₁D₂ (D₂ - D₁)3/D₁D₂ (D₂ - D₁)3/3D₁D₂ ANSWER DOWNLOAD EXAMIANS APP