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 (0.9)00 1 – (0.99)10 (0.99)10 l-(0.9)100 (0.9)00 1 – (0.99)10 (0.99)10 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A hydraulic structure is designed to withstand All of these Seepage forces Hydraulic jump Hydraulic pressure All of these Seepage forces Hydraulic jump Hydraulic pressure 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 (1/200) × (B + d)2/3 (1/150) × (B + d)2/3 (1/100) × (B + d)2/3 (1/50) × (B + d)2/3 (1/200) × (B + d)2/3 (1/150) × (B + d)2/3 (1/100) × (B + d)2/3 (1/50) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The scour depth D of a river during flood, may be calculated from the Lacey's equation D = 0.47 (Q/f)1/3 D = 0.47 (Q/f) D = 0.47 (Q/f)1/2 D = 0.47 (Q/f)2/3 D = 0.47 (Q/f)1/3 D = 0.47 (Q/f) D = 0.47 (Q/f)1/2 D = 0.47 (Q/f)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, in regime conditions Both (a) and (b) Neither (a) nor (b) Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the Both (a) and (b) Neither (a) nor (b) Silt is kept in suspension by vertical components of eddies Entire cross-section of the channel is generated at all points by the forces normal to the ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is equal to 1 less than 1 greater than 1 equal to zero equal to 1 less than 1 greater than 1 equal to zero ANSWER DOWNLOAD EXAMIANS APP
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