Irrigation Engineering For wave action in dams, the maximum height of freeboard is generally taken to be equal to (where hw is height of wave.) 0.5 hw 1.50 hw 1.25 hw 0.75 hw 0.5 hw 1.50 hw 1.25 hw 0.75 hw 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 If water table is comparatively high, the irrigation canal becomes useless, due to Water logging of the cultivated areas All of these Large amount of seepage Uncertain water demand Water logging of the cultivated areas All of these Large amount of seepage Uncertain water demand ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The top of the capillary zone Coincides the water table at every point None of these Lies above the water table at every point Lies below the water table at every point Coincides the water table at every point None of these Lies above the water table at every point Lies below the water table at every point ANSWER DOWNLOAD EXAMIANS APP
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 (ii) (i), (ii) and (iii) both (i) and (iii) only (i) both (i) and (ii) (i), (ii) and (iii) both (i) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3 A syphon A super passage An aqueduct A syphon aqueduct A syphon A super passage An aqueduct A syphon aqueduct ANSWER DOWNLOAD EXAMIANS APP
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