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 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 (0.99)10 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In India, which of the following is adopted as standard recording rain-gauge? Symon’s rain-gauge Natural siphon type Tipping bucket type Weighing bucket type Symon’s rain-gauge Natural siphon type Tipping bucket type Weighing bucket type ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If water table is comparatively high, the irrigation canal becomes useless, due to Water logging of the cultivated areas Large amount of seepage Uncertain water demand All of these Water logging of the cultivated areas Large amount of seepage Uncertain water demand All of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is 1.75 D 1.25 D 2.00 D 1.50 D 1.75 D 1.25 D 2.00 D 1.50 D ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Pick up the incorrect statement from the following. Culturable commanded area is the gross area of an irrigation canal system less Alkaline area Forest area Populated area Fallow land Alkaline area Forest area Populated area Fallow land ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be 90 mm 140 mm 60 mm 50 mm 90 mm 140 mm 60 mm 50 mm ANSWER DOWNLOAD EXAMIANS APP
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