Irrigation Engineering The best unit duration of storm for a unit hydrograph is equal to basin lag one-fourth of basin lag one-half of basin lag 1 hour equal to basin lag one-fourth of basin lag one-half of basin lag 1 hour ANSWER DOWNLOAD EXAMIANS APP
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 Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is B = Δ (8.64 B/D) D = (8.6 Δ/B) Δ = (8.6 B/D) D = Δ (8.64 D/B) B = Δ (8.64 B/D) D = (8.6 Δ/B) Δ = (8.6 B/D) D = Δ (8.64 D/B) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Which of the following is a flexible outlet ? submerged pipe outlet None of these Gibb’s outlet Kennedy’s gauge outlet submerged pipe outlet None of these Gibb’s outlet Kennedy’s gauge outlet 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 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 (1/150) × (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 (1/100) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
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