Irrigation Engineering Presence of tail water in a gravity dami) increases the principal stressii) decreases the principal stressiii) increases the shear stressiv) decreases the shear stressThe correct answer is (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by T = kd k= VTd T= Vkd T = k/d T = kd k= VTd T= Vkd T = k/d ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Side slopes generally kept for canals in loam soil, are: 1 : 1 in cutting and 1½ : 1 in filling Neither (A) nor (B) 1½ : 1 in cutting and 2 : 1 in filling Both (A) and (B) 1 : 1 in cutting and 1½ : 1 in filling Neither (A) nor (B) 1½ : 1 in cutting and 2 : 1 in filling Both (A) and (B) 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 = 0.44 √(H + d) B = 0.22 √(H + d) B = 0.33 √(H + d) B = 0.55 √(H + d) B = 0.44 √(H + d) B = 0.22 √(H + d) B = 0.33 √(H + d) B = 0.55 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum average depth due to one day storm over an area of 100 km2 is 100 mm. Depth-Area-Duration (DAD) curves indicate that for the same area of 100 km2 the maximum average depth for a 3 hour storm will be 100 mm None of these less than 100 mm more than 100 mm 100 mm None of these less than 100 mm more than 100 mm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is 2.00 D 1.75 D 1.25 D 1.50 D 2.00 D 1.75 D 1.25 D 1.50 D ANSWER DOWNLOAD EXAMIANS APP