Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is R (θ + cos θ) R (θ + tan θ) 2R (θ + tan θ) 2R (θ + cos θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + tan θ) 2R (θ + cos θ) 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
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 Super passage Syphon-aqueduct Syphon Aqueduct Super passage Syphon-aqueduct Syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Which of the following is a non-recording raingauge ? Steven’s weighing type raingauge tipping bucket type raingauge floating type raingauge Simon’s raingauge Steven’s weighing type raingauge tipping bucket type raingauge floating type raingauge Simon’s raingauge ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept 0.20 m 3.20 m 1.20 m 2.20 m 0.20 m 3.20 m 1.20 m 2.20 m ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In gravity canals, F.S.L. is Always below the ground level Generally 4 to 5 metres above the ground level Always at the ground level Only a few cm above the ground level Always below the ground level Generally 4 to 5 metres above the ground level Always at the ground level Only a few cm above the ground level ANSWER DOWNLOAD EXAMIANS APP