Irrigation Engineering If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by B = 0.22 √(H + d) B = 0.44 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.44 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Bligh's theory of seepage assumes Loss of head follows the sine curve More weightage to horizontal creep than vertical creep Equal weightage to the horizontal and vertical creep Less weightage to horizontal creep than vertical creep Loss of head follows the sine curve More weightage to horizontal creep than vertical creep Equal weightage to the horizontal and vertical creep Less weightage to horizontal creep than vertical creep ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For standing crops in undulating sandy fields, the best method of irrigation, is Check method Free flooding Sprinkler irrigation Furrow method Check method Free flooding Sprinkler irrigation Furrow method ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to gravity dams, earthen dams require less skilled labour are less susceptible to failure are costlier require sound rock foundations require less skilled labour are less susceptible to failure are costlier require sound rock foundations ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For designing the venturi head, Minimum throat width should not be less than 60 cm Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal Width of the throat should not be less than one-third of the bed width of main canal All listed here Minimum throat width should not be less than 60 cm Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal Width of the throat should not be less than one-third of the bed width of main canal All listed here 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 l-(0.9)100 (0.99)10 1 – (0.99)10 (0.9)00 l-(0.9)100 (0.99)10 1 – (0.99)10 (0.9)00 ANSWER DOWNLOAD EXAMIANS APP
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