Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1/(1+ 0.9010) 1 – (0.9)°l0 1/(1-0.9°10) 1 + (0.9)010 1/(1+ 0.9010) 1 – (0.9)°l0 1/(1-0.9°10) 1 + (0.9)010 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The aqueduct or superpassage type of works are generally used when high flood drainage discharge is small high flood drainage discharge is large and short lived None of these high flood drainage discharge is large and continues for a long time high flood drainage discharge is small high flood drainage discharge is large and short lived None of these high flood drainage discharge is large and continues for a long time ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Retrogression of the bed level of a river downstream a weir, occurs due to Less percentage of silt Soft soil strata Increase of the bed level Heavy impact of water Less percentage of silt Soft soil strata Increase of the bed level Heavy impact of water ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called effective rainfall consumptive use consumptive irrigation requirement net irrigation requirement effective rainfall consumptive use consumptive irrigation requirement net irrigation requirement ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In case of non-availability of space due to topography, the most suitable spillway is straight drop spillway shaft spillway chute spillway ogee spillway straight drop spillway shaft spillway chute spillway ogee spillway ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering River training for depth is achieved by groynes construction of dykes or leavees groynes and bandalling both (A) and (B) groynes construction of dykes or leavees groynes and bandalling both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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