Irrigation Engineering The downstream expansion head of a guide bank is extended to subtend an angle at the centre, equal to 90° 45° 30° 60° 90° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A straight glacis type fall with a baffle platform and a baffle wall is called Glacis fall Montague type fall Vertical drop-fall Inglis fall Glacis fall Montague type fall Vertical drop-fall Inglis fall ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In gravity canals, F.S.L. is Only a few cm above the ground level Always at the ground level Generally 4 to 5 metres above the ground level Always below the ground level Only a few cm above the ground level Always at the ground level Generally 4 to 5 metres above the ground level Always below the ground level ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In case of a trapezoidal notch fall All listed here Top length of the piers should not be less than their thickness Splay downstream from the notch section is 22½° Splay upstream from the notch section is 45° All listed here Top length of the piers should not be less than their thickness Splay downstream from the notch section is 22½° Splay upstream from the notch section is 45° ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the area of its cross-section, is R (θ + tan θ) R2 (θ + cot θ) R (θ + cot θ) R2 (θ + tan θ) R (θ + tan θ) R2 (θ + cot θ) R (θ + cot θ) R2 (θ + tan θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Lacey, depth of scour in a river depends upon the straightness of the reach. If D is the depth of scour in regime flow in a right angled bend, it is 1.50 D 1.75 D 1.25 D 2.00 D 1.50 D 1.75 D 1.25 D 2.00 D ANSWER DOWNLOAD EXAMIANS APP
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