Irrigation Engineering If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD3/2 Q = 1.71 BD1/2 Q = 1/71 BD2/3 Q = 1.71 BD Q = 1.71 BD3/2 Q = 1.71 BD1/2 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), (iii) and (iv) (i) and (ii) (i),(ii) and (iii) (i), (ii) and (iv) (i), (ii), (iii) and (iv) (i) and (ii) (i),(ii) and (iii) (i), (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If d1 is the depth of cutting, d2 is the height of the bank from bed level r2 : 1 and r1 : 1 are the slopes in filling and cutting respectively, the horizontal distance n between the bed and bank, is x = r1 d1 x = d2 / r2 x = r2 d2 x = d1 / r1 x = r1 d1 x = d2 / r2 x = r2 d2 x = d1 / r1 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Variability of rainfall isi) largest in regions of high rainfallii) largest in coastal areasiii) largest in regions of scanty rainfallThe correct answer is only (iii) (ii) and (iii) only (i) (i) and (ii) only (iii) (ii) and (iii) only (i) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as Modular limit Efficiency Sensitivity Flexibility Modular limit Efficiency Sensitivity Flexibility ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Presence of tail water in a gravity dami) increases the principal stressii) decreases the principal stressiii) increases the shear stressiv) decreases the shear stressThe correct answer is (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
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