According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

Irrigation Engineering
According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

V₀ = 0.84 mD0.64

V₀ = 0.55 mD0.54

V₀ = 0.55 mD0.64

V₀ = 0.84 mD0.54

V₀ = 0.84 mD0.64

V₀ = 0.55 mD0.54

V₀ = 0.55 mD0.64

V₀ = 0.84 mD0.54

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Irrigation Engineering
As compared to gravity dams, earthen dams

are costlier

are less susceptible to failure

require sound rock foundations

require less skilled labour

are costlier

are less susceptible to failure

require sound rock foundations

require less skilled labour

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Irrigation Engineering
Bed bars in a canal are provided

To watch the general behavior of canal

To raise the supply level

To control the silting

To measure the discharge

To watch the general behavior of canal

To raise the supply level

To control the silting

To measure the discharge

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Irrigation Engineering
Infiltration rate is always

more than the infiltration capacity

less than the infiltration capacity

equal to or more than the infiltration capacity

equal to or less than the infiltration capacity

more than the infiltration capacity

less than the infiltration capacity

equal to or more than the infiltration capacity

equal to or less than the infiltration capacity

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Irrigation Engineering
The best unit duration of storm for a unit hydrograph is

1 hour

one-fourth of basin lag

one-half of basin lag

equal to basin lag

1 hour

one-fourth of basin lag

one-half of basin lag

equal to basin lag

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Irrigation Engineering
Canals constructed for draining off water from water logged areas, are known

Inundation canals

Drains

Contour canals

Valley canals

Inundation canals

Drains

Contour canals

Valley canals

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Irrigation Engineering

Irrigation Engineering According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

Irrigation Engineering As compared to gravity dams, earthen dams

Irrigation Engineering Bed bars in a canal are provided

Irrigation Engineering Infiltration rate is always

Irrigation Engineering The best unit duration of storm for a unit hydrograph is

Irrigation Engineering Canals constructed for draining off water from water logged areas, are known

Irrigation Engineering
According to Kennedy, the critical velocity (V₀) in meters in a channel is the mean velocity which keeps the channel free from silting or scouring. Its value is given by (where m is critical velocity ratio and D is the depth of the channel).

Irrigation Engineering
As compared to gravity dams, earthen dams

Irrigation Engineering
Bed bars in a canal are provided

Irrigation Engineering
Infiltration rate is always

Irrigation Engineering
The best unit duration of storm for a unit hydrograph is

Irrigation Engineering
Canals constructed for draining off water from water logged areas, are known