Irrigation Engineering V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is 3V²/4R 2V²/√3 R 5V²/2R 2V²/5R 3V²/4R 2V²/√3 R 5V²/2R 2V²/5R ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The width of a meander belt is the transverse distance between Apex point of one curve and apex point of the reserve curve None of these Apex point and the crossing Two banks of meandering river Apex point of one curve and apex point of the reserve curve None of these Apex point and the crossing Two banks of meandering river 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 2.00 D 1.75 D 1.25 D 1.50 D 2.00 D 1.75 D 1.25 D ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Generally the weir is aligned at right angles to the direction of the main river current because It is economical It ensures less length of the weir It gives better discharging capacity All of these It is economical It ensures less length of the weir It gives better discharging capacity All of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If D is the depth of scour below original bed, then the width of launching apron is generally taken as 1.2 D 2.0 D 2.5 D 1.5 D 1.2 D 2.0 D 2.5 D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase Water surface elevation during floods Maximum discharge Surface slope of streams above the levied portion Rate of flood wave Water surface elevation during floods Maximum discharge Surface slope of streams above the levied portion Rate of flood wave ANSWER DOWNLOAD EXAMIANS APP
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