Irrigation Engineering Side slopes generally kept for canals in loam soil, are: 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 1 : 1 in cutting and 1½ : 1 in filling ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Groynes are generally built Inclined downstream up to 30° Perpendicular to the bank Inclined up stream up to 30° All listed here Inclined downstream up to 30° Perpendicular to the bank Inclined up stream up to 30° All listed here ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The measure to remove water logging of land, is 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 Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In a concrete canal the approximate permissible velocity of water should not exceed 2 m/sec 0.5 m/sec 1.5 m/sec 1 m/sec 2 m/sec 0.5 m/sec 1.5 m/sec 1 m/sec ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For designing the venturi head, Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal All listed here Width of the throat should not be less than one-third of the bed width of main canal Minimum throat width should not be less than 60 cm Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal All listed here Width of the throat should not be less than one-third of the bed width of main canal Minimum throat width should not be less than 60 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as None of these water conveyance efficiency water use efficiency water application efficiency None of these water conveyance efficiency water use efficiency water application efficiency ANSWER DOWNLOAD EXAMIANS APP