Irrigation Engineering The scour depth D of a river during flood, may be calculated from the Lacey's equation D = 0.47 (Q/f)1/2 D = 0.47 (Q/f) D = 0.47 (Q/f)1/3 D = 0.47 (Q/f)2/3 D = 0.47 (Q/f)1/2 D = 0.47 (Q/f) D = 0.47 (Q/f)1/3 D = 0.47 (Q/f)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A multipurpose reservoir is the one which is None of these both (A) and (B) designed for one purpose but serves more than one purpose planned and constructed to serve various purposes None of these both (A) and (B) designed for one purpose but serves more than one purpose planned and constructed to serve various purposes ANSWER DOWNLOAD EXAMIANS APP
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 = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.44 √(H + d) B = 0.22 √(H + d) B = 0.55 √(H + d) B = 0.33 √(H + d) B = 0.44 √(H + d) B = 0.22 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Main purpose of mean water training for rivers is Flood control All of these To preserve the channel in good shape by efficient disposal of suspended and bed load To provide sufficient depth of water in navigable channels, during low water periods Flood control All of these To preserve the channel in good shape by efficient disposal of suspended and bed load To provide sufficient depth of water in navigable channels, during low water periods ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Silt is kept in suspension by vertical components of eddies Both (a) and (b) Entire cross-section of the channel is generated at all points by the forces normal to the Neither (a) nor (b) Silt is kept in suspension by vertical components of eddies Both (a) and (b) Entire cross-section of the channel is generated at all points by the forces normal to the Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As per Lacey’s theory, the silt factor is directly proportional to average par¬ticle size inversely proportional to average par¬ticle size not related to average particle size directly proportional to square root of average particle size directly proportional to average par¬ticle size inversely proportional to average par¬ticle size not related to average particle size directly proportional to square root of average particle size ANSWER DOWNLOAD EXAMIANS APP
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