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 BD1/2 Q = 1.71 BD3/2 Q = 1.71 BD Q = 1/71 BD2/3 Q = 1.71 BD1/2 Q = 1.71 BD3/2 Q = 1.71 BD 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 Syphon-aqueduct Aqueduct Syphon Super passage Syphon-aqueduct Aqueduct Syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The optimum depth of kor watering for a rice crop, is 17.5 cm 19.0 cm 13.5 cm 23.0 cm 17.5 cm 19.0 cm 13.5 cm 23.0 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Which of the following types of falls use parabolic glacis for energy dissipation ? Montague type fall inglis fall glacis fall vertical drop fall Montague type fall inglis fall glacis fall vertical drop fall ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If Δ is the depth of water in metres, B is the number of days of base period and D is the duty in hectare/cumec, the relationship which holds good, is B = Δ (8.64 B/D) D = (8.6 Δ/B) Δ = (8.6 B/D) D = Δ (8.64 D/B) B = Δ (8.64 B/D) D = (8.6 Δ/B) Δ = (8.6 B/D) D = Δ (8.64 D/B) ANSWER DOWNLOAD EXAMIANS APP
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/(1+ 0.9010) 1/(1-0.9°10) 1 – (0.9)°l0 1 + (0.9)010 1/(1+ 0.9010) 1/(1-0.9°10) 1 – (0.9)°l0 ANSWER DOWNLOAD EXAMIANS APP