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 Syphon-aqueduct Super passage Aqueduct Syphon Syphon-aqueduct Super passage ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The uplift pressure on a dam can be controlled byi) constructing cutoff under upstream faceii) constructing drainage channels between the dam and its foundationiii) by pressure grouting in foundationThe corret answer is both (i) and (ii) (i), (ii) and (iii) only (i) both (i) and (iii) both (i) and (ii) (i), (ii) and (iii) only (i) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the demand line drawn from a ridge in a flow mass curve does not intersect the curve again, it indicates that None of these demand cannot be met by inflow reservoir was not full at the beginning both (A) and (B) None of these demand cannot be met by inflow reservoir was not full at the beginning both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Khosla, the exits gradient of surface flow Depends upon the b/d ratio None of these Is independent of the depths of d/s cut off walls Is independent of the b/d ratio Depends upon the b/d ratio None of these Is independent of the depths of d/s cut off walls Is independent of the b/d ratio ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is 20 cm 25 cm 15 cm 10 cm 20 cm 25 cm 15 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.) CLH3/2 CHL3/2 CLH5/2 CLH1/2 CLH3/2 CHL3/2 CLH5/2 CLH1/2 ANSWER DOWNLOAD EXAMIANS APP
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