Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle ? with horizontal, the hydraulic mean depth is D/5 D/2 D D/3 D/5 D/2 D D/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If d1 is the depth of cutting, d2 is the height of the bank from bed level r2 : 1 and r1 : 1 are the slopes in filling and cutting respectively, the horizontal distance n between the bed and bank, is x = d1 / r1 x = d2 / r2 x = r1 d1 x = r2 d2 x = d1 / r1 x = d2 / r2 x = r1 d1 x = r2 d2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A raingauge should preferably be fixed under the tree near the building in an open space in a closed space under the tree near the building in an open space in a closed space 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 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) B = Δ (8.64 B/D) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In a concrete canal the approximate permissible velocity of water should not exceed 1 m/sec 1.5 m/sec 0.5 m/sec 2 m/sec 1 m/sec 1.5 m/sec 0.5 m/sec 2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. doesnot touch the underside of the supporting structure, the structure so provided, is called Aqueduct Syphon-aqueduct Super passage Syphon Aqueduct Syphon-aqueduct Super passage Syphon ANSWER DOWNLOAD EXAMIANS APP
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