Irrigation Engineering The aqueduct or superpassage type of works are generally used when high flood drainage discharge is large and short lived None of these high flood drainage discharge is small high flood drainage discharge is large and continues for a long time high flood drainage discharge is large and short lived None of these high flood drainage discharge is small high flood drainage discharge is large and continues for a long time ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by (0.99)10 1 – (0.99)10 (0.9)00 l-(0.9)100 (0.99)10 1 – (0.99)10 (0.9)00 l-(0.9)100 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The uplift pressure on the roof of an inverted syphon, is maximum when Drain in running dry Drain is running with H.F.L. Canal is running with F.S.L. Canal is running dry Drain in running dry Drain is running with H.F.L. Canal is running with F.S.L. Canal is running dry ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Retrogression of the bed level of a river downstream a weir, occurs due to Less percentage of silt Increase of the bed level Heavy impact of water Soft soil strata Less percentage of silt Increase of the bed level Heavy impact of water Soft soil strata ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D is the depth of scour below original bed, then the width of launching apron is generally taken as 2.5 D 1.5 D 2.0 D 1.2 D 2.5 D 1.5 D 2.0 D 1.2 D ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A hydraulic structure is designed to withstand All of these Hydraulic jump Seepage forces Hydraulic pressure All of these Hydraulic jump Seepage forces Hydraulic pressure ANSWER DOWNLOAD EXAMIANS APP