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Irrigation Engineering

Irrigation Engineering
For diversion of flood water of rivers, the type of canal constructed, is

Ridge canal
Canal
Perennial canal
Inundation canal

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Irrigation Engineering
If average particle size of the silt in millimeters is m, the Lacey's silt factor f is proportional to

m1/2
m2/3
m1/3
m3

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Irrigation Engineering
If D₁ and D₂ are depths of water upstream and downstream of a hydraulic jump, the loss of head at the jump, is

(D₂ - D₁)3/3D₁D₂
(D₂ - D₁)3/D₁D₂
(D₂ - D₁)3/2D₁D₂
(D₂ - D₁)3/4D₁D₂

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Irrigation Engineering
If d1 is the depth of cutting, d2 is the height of the bank from bed level r2 : 1 and r1 : 1 are the slopes in filling and cutting respectively, the horizontal distance n between the bed and bank, is

x = r1 d1
x = d2 / r2
x = r2 d2
x = d1 / r1

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Irrigation Engineering
If the critical shear stress of a channel is XC, then the average value of shear stress required to move the grain on the bank is

XC
0.5 XC
1.33 TC
0.75 TC

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Irrigation Engineering
A current meter is used to measure the

depth of flow of water
velocity of flow of water
None of these
discharge

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