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 Super passage Syphon Syphon-aqueduct Aqueduct Super passage Syphon Syphon-aqueduct ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Attracting groynes are built Inclined down stream None of these Perpendicular to the bank Inclined up stream Inclined down stream None of these Perpendicular to the bank Inclined up stream ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Variability of rainfall isi) largest in regions of high rainfallii) largest in coastal areasiii) largest in regions of scanty rainfallThe correct answer is only (iii) (ii) and (iii) only (i) (i) and (ii) only (iii) (ii) and (iii) only (i) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Butyl alcohol Cetyl alcohol Ethyl alcohol Methyl alcohol Butyl alcohol Cetyl alcohol Ethyl alcohol Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Coefficient of discharge of an ogee spillway depends on downstream apron interference and downstream submergence depends on depth of approach and upstream slope both (A) and (B) remains constant depends on downstream apron interference and downstream submergence depends on depth of approach and upstream slope both (A) and (B) remains constant ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As per Lacey’s theory, the silt factor is directly proportional to square root of average particle size inversely proportional to average par¬ticle size directly proportional to average par¬ticle size not related to average particle size directly proportional to square root of average particle size inversely proportional to average par¬ticle size directly proportional to average par¬ticle size not related to average particle size ANSWER DOWNLOAD EXAMIANS APP
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