If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation

Irrigation Engineering
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation

t = (h + 1)/(G + t)

t = (h - 1)/(G + t)

t = (h + 1)/G

t = (h - 1)/(G - t)

t = (h + 1)/(G + t)

t = (h - 1)/(G + t)

t = (h + 1)/G

t = (h - 1)/(G - t)

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Irrigation Engineering
As per Lacey’s theory, the silt factor is

inversely proportional to average par¬ticle size

directly proportional to square root of average particle size

directly proportional to average par¬ticle size

not related to average particle size

inversely proportional to average par¬ticle size

directly proportional to square root of average particle size

directly proportional to average par¬ticle size

not related to average particle size

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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

1.33 TC

XC

0.5 XC

0.75 TC

1.33 TC

XC

0.5 XC

0.75 TC

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Irrigation Engineering
The uplift pressure on the face of a drainage gallery in a dam is taken as

hydrostatic pressure at toe

None of these

average of hydrostatic pressure at toe and heel

two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel

hydrostatic pressure at toe

None of these

average of hydrostatic pressure at toe and heel

two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel

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Irrigation Engineering
The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to

Plant factor

Both load and plant factor

Utilization factor

Load factor

Plant factor

Both load and plant factor

Utilization factor

Load factor

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Irrigation Engineering
A hydraulic structure is designed to withstand

All of these

Hydraulic jump

Seepage forces

Hydraulic pressure

All of these

Hydraulic jump

Seepage forces

Hydraulic pressure

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Irrigation Engineering

Irrigation Engineering If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation

Irrigation Engineering As per Lacey’s theory, the silt factor is

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

Irrigation Engineering The uplift pressure on the face of a drainage gallery in a dam is taken as

Irrigation Engineering The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to

Irrigation Engineering A hydraulic structure is designed to withstand

Irrigation Engineering
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation

Irrigation Engineering
As per Lacey’s theory, the silt factor is

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

Irrigation Engineering
The uplift pressure on the face of a drainage gallery in a dam is taken as

Irrigation Engineering
The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to

Irrigation Engineering
A hydraulic structure is designed to withstand