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)2/3 D = 0.47 (Q/f)1/2 D = 0.47 (Q/f)1/3 D = 0.47 (Q/f) D = 0.47 (Q/f)2/3 D = 0.47 (Q/f)1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be 25 m3/sec 20 m3/sec 30 m3/sec 35 m3/sec 25 m3/sec 20 m3/sec 30 m3/sec 35 m3/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of the discharge over a trapezoidal crest to a rectangular crest of Sarda falls of identical parameters, is 1.074 1.054 1.064 1.084 1.074 1.054 1.064 1.084 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D₁ and D₂ are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is (D₂ - D₁)3/D₁D₂ (D₂ - D₁)3/3D₁D₂ (D₂ - D₁)3/4D₁D₂ (D₂ - D₁)3/2D₁D₂ (D₂ - D₁)3/D₁D₂ (D₂ - D₁)3/3D₁D₂ (D₂ - D₁)3/4D₁D₂ (D₂ - D₁)3/2D₁D₂ ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A water-logged land is found suitable for cultivation due to Regular supply of water to plants from the water table by capillary action Absence of aeration of soil from root zone of the plant None of these Ease of tillage for preparation of the field for optimum condition of germination Regular supply of water to plants from the water table by capillary action Absence of aeration of soil from root zone of the plant None of these Ease of tillage for preparation of the field for optimum condition of germination ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Trap efficiency of a reservoir is a function of outflow/inflow ratio None of these capacity/inflow ratio capacity/outflow ratio outflow/inflow ratio None of these capacity/inflow ratio capacity/outflow ratio ANSWER DOWNLOAD EXAMIANS APP