Irrigation Engineering The uplift pressure on a dam can be controlled byi) constructing cutoff under upstream faceii) constructing drainage channels between the dam and its foundationiii) by pressure grouting in foundationThe corret answer is only (i) both (i) and (iii) both (i) and (ii) (i), (ii) and (iii) only (i) both (i) and (iii) both (i) and (ii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1/(1-0.9°10) 1 – (0.9)°l0 1 + (0.9)010 1/(1+ 0.9010) 1/(1-0.9°10) 1 – (0.9)°l0 1 + (0.9)010 1/(1+ 0.9010) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Bed bars in a canal are provided To control the silting To raise the supply level To measure the discharge To watch the general behavior of canal To control the silting To raise the supply level To measure the discharge To watch the general behavior of canal ANSWER DOWNLOAD EXAMIANS APP
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 (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Irrigation canals are generally aligned along Straight line Valley line Ridge line Contour line Straight line Valley line Ridge line Contour line ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Side slopes generally kept for canals in loam soil, are: 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 Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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