Irrigation Engineering In a concrete canal the approximate permissible velocity of water should not exceed 0.5 m/sec 2 m/sec 1 m/sec 1.5 m/sec 0.5 m/sec 2 m/sec 1 m/sec 1.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is 10 cm 20 cm 15 cm 25 cm 10 cm 20 cm 15 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be equal to rate of rainfall more than rate of rainfall more than infiltration capacity equal to infiltration capacity equal to rate of rainfall more than rate of rainfall more than infiltration capacity equal to infiltration capacity ANSWER DOWNLOAD EXAMIANS APP
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 All of these It ensures less length of the weir It is economical It gives better discharging capacity All of these It ensures less length of the weir ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Study the following statements.i) Levees are constructed parallel to river flow,ii) Spurs are constructed parallel to river flow,iii) Levees are constructed transverse to river flow,iv) Spurs are constructed transverse to river flow.The correct answer is (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In case of a trapezoidal notch fall Splay upstream from the notch section is 45° All listed here Splay downstream from the notch section is 22½° Top length of the piers should not be less than their thickness Splay upstream from the notch section is 45° All listed here Splay downstream from the notch section is 22½° Top length of the piers should not be less than their thickness ANSWER DOWNLOAD EXAMIANS APP
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