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 = 0.55 mD0.54

V₀ = 0.84 mD0.64

V₀ = 0.55 mD0.64

V₀ = 0.84 mD0.54

V₀ = 0.55 mD0.54

V₀ = 0.84 mD0.64

V₀ = 0.55 mD0.64

V₀ = 0.84 mD0.54

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Irrigation Engineering
A hydroelectric scheme operating under a head of 80 m will be classified as

high head scheme

medium head scheme

None of these

low head scheme

high head scheme

medium head scheme

None of these

low head scheme

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Irrigation Engineering
The useful storage is the volume of water stored in the reservoir between

minimum pool level and normal pool level

river bed and minimum pool level

minimum pool level and maximum pool level

normal pool level and maximum pool level

minimum pool level and normal pool level

river bed and minimum pool level

minimum pool level and maximum pool level

normal pool level and maximum pool level

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Irrigation Engineering
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

150 years

200 years

250 years

50 years

150 years

200 years

250 years

50 years

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Irrigation Engineering
The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are
i) Water pressure
ii) Self weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is

Only (ii)

(i), (ii), (iii) and (iv)

(i), (ii) and (iv)

(i), (ii) and (iii)

Only (ii)

(i), (ii), (iii) and (iv)

(i), (ii) and (iv)

(i), (ii) and (iii)

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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

1.25 D

1.75 D

1.50 D

2.00 D

1.25 D

1.75 D

1.50 D

2.00 D

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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 A hydroelectric scheme operating under a head of 80 m will be classified as

Irrigation Engineering The useful storage is the volume of water stored in the reservoir between

Irrigation Engineering The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

Irrigation Engineering The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, arei) Water pressureii) Self weightiii) Upliftiv) Pressure due to earthquakeThe correct answer is

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

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
A hydroelectric scheme operating under a head of 80 m will be classified as

Irrigation Engineering
The useful storage is the volume of water stored in the reservoir between

Irrigation Engineering
The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

Irrigation Engineering
The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are
i) Water pressure
ii) Self weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is

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