2. An outlet irrigates an area of 20 ha. The discharge (l/s) required at this outlet to meet the evapotranspiration requirement of 20 mm occurring uniformly in 20 days neglecting other field losses is
5. If ? = nominal diameter of reinforcing bar, fs = compressive stress in the bar and fbd= design bond stress of concrete, the anchorage length, La of straight bar in compression is equal to :