Irrigation Engineering The scour depth D of a river during flood, may be calculated from the Lacey's equation D = 0.47 (Q/f) D = 0.47 (Q/f)1/2 D = 0.47 (Q/f)2/3 D = 0.47 (Q/f)1/3 D = 0.47 (Q/f) D = 0.47 (Q/f)1/2 D = 0.47 (Q/f)2/3 D = 0.47 (Q/f)1/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, arei) Water pressureii) Self weightiii) Upliftiv) Pressure due to earthquakeThe correct answer is Only (ii) (i), (ii), (iii) and (iv) (i), (ii) and (iv) (i), (ii) and (iii) Only (ii) (i), (ii), (iii) and (iv) (i), (ii) and (iv) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Optimum depth of kor watering for rice is 215 mm 190 mm 135 mm 165 mm 215 mm 190 mm 135 mm 165 mm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The measure to remove water logging of land, is Neither (a) nor (b) To reduce percolation from canals and water courses Both (a) and (b) To increase outflow from the ground water reservoir Neither (a) nor (b) To reduce percolation from canals and water courses Both (a) and (b) To increase outflow from the ground water reservoir 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 50 cm 56 cm 55 cm 60 cm 50 cm 56 cm 55 cm 60 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Irrigation canals are generally aligned along Ridge line Valley line Straight line Contour line Ridge line Valley line Straight line Contour line ANSWER DOWNLOAD EXAMIANS APP