Irrigation Engineering Generally the weir is aligned at right angles to the direction of the main river current because It is economical It gives better discharging capacity It ensures less length of the weir All of these It is economical It gives better discharging capacity It ensures less length of the weir All of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls Spaced at interval of 1½ times their heights Of R.C.C. or steel plate 8 cm thick Of height ⅓rd to ¼th the depth of water in the main canal All listed here Spaced at interval of 1½ times their heights Of R.C.C. or steel plate 8 cm thick Of height ⅓rd to ¼th the depth of water in the main canal All listed here ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of the rate of change of discharge of an outlet to the rate of change in level of water surface in a distributary at its normal depth, is known as Sensitivity Efficiency Modular limit Flexibility Sensitivity Efficiency Modular limit Flexibility ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.) CLH3/2 CHL3/2 CLH5/2 CLH1/2 CLH3/2 CHL3/2 CLH5/2 CLH1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the critical shear stress of a channel is XC, then the average value of shear stress required to move the grain on the bank is 0.5 XC 0.75 TC 1.33 TC XC 0.5 XC 0.75 TC 1.33 TC XC 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
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