Irrigation Engineering Presence of tail water in a gravity dami) increases the principal stressii) decreases the principal stressiii) increases the shear stressiv) decreases the shear stressThe correct answer is (ii) and (iv) (i) and (iii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i)and(iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The depth of rice root zone, is 50 cm 80 cm 60 cm 90 cm 50 cm 80 cm 60 cm 90 cm ANSWER DOWNLOAD EXAMIANS APP
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)1/3 D = 0.47 (Q/f)2/3 D = 0.47 (Q/f) D = 0.47 (Q/f)1/2 D = 0.47 (Q/f)1/3 D = 0.47 (Q/f)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by 1 – (0.99)10 l-(0.9)100 (0.99)10 (0.9)00 1 – (0.99)10 l-(0.9)100 (0.99)10 (0.9)00 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Instantaneous unit hydrograph is a hydrograph ofi) unit durationii) unit rainfall excessiii) infinitely small durationiv) infinitely small rainfall excessThe correct answer is (i) and (ii) (iii) and (iv) (ii) and (iii) (i)and(iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i)and(iv) 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 60 cm 50 cm 55 cm 56 cm 60 cm 50 cm 55 cm 56 cm ANSWER DOWNLOAD EXAMIANS APP