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 (0.9)00 (0.99)10 1 – (0.99)10 l-(0.9)100 (0.9)00 (0.99)10 1 – (0.99)10 l-(0.9)100 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 An artesian aquifer is the one where water table serves as upper surface of zone of saturation water surface under the ground is at atmospheric pressure None of these water is under pressure between two impervious strata water table serves as upper surface of zone of saturation water surface under the ground is at atmospheric pressure None of these water is under pressure between two impervious strata ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A multipurpose reservoir is the one which is planned and constructed to serve various purposes None of these designed for one purpose but serves more than one purpose both (A) and (B) planned and constructed to serve various purposes None of these designed for one purpose but serves more than one purpose both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The measure to remove water logging of land, is To reduce percolation from canals and water courses To increase outflow from the ground water reservoir Neither (a) nor (b) Both (a) and (b) To reduce percolation from canals and water courses To increase outflow from the ground water reservoir Neither (a) nor (b) Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Silt excluders are constructed on the canal bed upstream of head regulator canal bed downstream of head regulator river bed upstream of head regulator river bed downstream of head regulator canal bed upstream of head regulator canal bed downstream of head regulator river bed upstream of head regulator river bed downstream of head regulator ANSWER DOWNLOAD EXAMIANS APP
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