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 both (i) and (iii) only (i) both (i) and (ii) (i), (ii) and (iii) both (i) and (iii) only (i) both (i) and (ii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A deep well both (A) and (B) is weaker structurally than a shallow well has more discharge than a shallow well is always deeper than a shallow well both (A) and (B) is weaker structurally than a shallow well has more discharge than a shallow well is always deeper than a shallow well ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The downstream expansion head of a guide bank is extended to subtend an angle at the centre, equal to 30° 90° 45° 60° 30° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Effective precipitation for a crop may be defined as Total precipitation minus the loss due to evaporation Total precipitation minus the loss due to infiltration Available water stored in soil within root zone of the crop Total precipitation during the crop period Total precipitation minus the loss due to evaporation Total precipitation minus the loss due to infiltration Available water stored in soil within root zone of the crop Total precipitation during the crop period 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 60 cm 55 cm 50 cm 56 cm 60 cm 55 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Bligh's theory of seepage assumes Less weightage to horizontal creep than vertical creep Equal weightage to the horizontal and vertical creep More weightage to horizontal creep than vertical creep Loss of head follows the sine curve Less weightage to horizontal creep than vertical creep Equal weightage to the horizontal and vertical creep More weightage to horizontal creep than vertical creep Loss of head follows the sine curve ANSWER DOWNLOAD EXAMIANS APP