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 = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.55 √(H + d) B = 0.44 √(H + d) B = 0.33 √(H + d) B = 0.22 √(H + d) B = 0.55 √(H + d) B = 0.44 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering To estimate the magnitude of a flood with a return period of T years, Gumbel’s distribution method requires the following data pertaining to annual flood seriesi) mean valueii) standard deviationiii) length of recordiv) coefficient of skewThe correct answer is (i),(ii) and (iii) (i), (ii), (iii) and (iv) (i), (ii) and (iv) (i) and (ii) (i),(ii) and (iii) (i), (ii), (iii) and (iv) (i), (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is 2R (θ + cos θ) 2R (θ + tan θ) R (θ + tan θ) R (θ + cos θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + tan θ) R (θ + cos θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Generally the weir is aligned at right angles to the direction of the main river current because It ensures less length of the weir It gives better discharging capacity It is economical All of these It ensures less length of the weir It gives better discharging capacity It is economical All of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is (1/100) × (B + d)2/3 (1/150) × (B + d)2/3 (1/50) × (B + d)2/3 (1/200) × (B + d)2/3 (1/100) × (B + d)2/3 (1/150) × (B + d)2/3 (1/50) × (B + d)2/3 (1/200) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The downstream expansion head of a guide bank is extended to subtend an angle at the centre, equal to 90° 60° 30° 45° 90° 60° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
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