Irrigation Engineering If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is PL/1000C 100 PLC PC/100L PLC/1000 PL/1000C 100 PLC PC/100L PLC/1000 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase Water surface elevation during floods Surface slope of streams above the levied portion Rate of flood wave Maximum discharge Water surface elevation during floods Surface slope of streams above the levied portion Rate of flood wave Maximum discharge ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius D, make an angle ? with horizontal, the hydraulic mean depth is D/3 D/2 D D/5 D/3 D/2 D D/5 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation t = (h + 1)/G t = (h - 1)/(G + t) t = (h - 1)/(G - t) t = (h + 1)/(G + t) t = (h + 1)/G t = (h - 1)/(G + t) t = (h - 1)/(G - t) t = (h + 1)/(G + t) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65 cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be 55 cm 56 cm 60 cm 50 cm 55 cm 56 cm 60 cm 50 cm 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 Both (A) and (B) Neither (A) nor (B) 1½ : 1 in cutting and 2 : 1 in filling 1 : 1 in cutting and 1½ : 1 in filling Both (A) and (B) Neither (A) nor (B) 1½ : 1 in cutting and 2 : 1 in filling ANSWER DOWNLOAD EXAMIANS APP
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