Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1 + (0.9)010 1 – (0.9)°l0 1/(1-0.9°10) 1/(1+ 0.9010) 1 + (0.9)010 1 – (0.9)°l0 1/(1-0.9°10) 1/(1+ 0.9010) 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 R (θ + cos θ) R (θ + tan θ) 2R (θ + tan θ) 2R (θ + cos θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + tan θ) 2R (θ + cos θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Infiltration rate is always equal to or more than the infiltration capacity equal to or less than the infiltration capacity more than the infiltration capacity less than the infiltration capacity equal to or more than the infiltration capacity equal to or less than the infiltration capacity more than the infiltration capacity less than the infiltration capacity ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be 15 minutes 60 minutes 30 minutes 20 minutes 15 minutes 60 minutes 30 minutes 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The relation between probability (P) and recurrence interval (T) is given by P/T = 1 P/T2 = 1 PT = 1 PT2 = 1 P/T = 1 P/T2 = 1 PT = 1 PT2 = 1 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. doesnot touch the underside of the supporting structure, the structure so provided, is called Super passage Aqueduct Syphon Syphon-aqueduct Super passage Aqueduct Syphon Syphon-aqueduct ANSWER DOWNLOAD EXAMIANS APP
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