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 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
For cereal crops the most commonly adopted method of irrigation, is

Check method

Free flowing method

Sprinkling method

Furrow method

Check method

Free flowing method

Sprinkling method

Furrow method

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Irrigation Engineering
The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)

CLH1/2

CHL3/2

CLH5/2

CLH3/2

CLH1/2

CHL3/2

CLH5/2

CLH3/2

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Irrigation Engineering
While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3

A syphon aqueduct

A syphon

A super passage

An aqueduct

A syphon aqueduct

A syphon

A super passage

An aqueduct

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Irrigation Engineering
Coefficient of discharge of an ogee spillway

remains constant

depends on downstream apron interference and downstream submergence

both (A) and (B)

depends on depth of approach and upstream slope

remains constant

depends on downstream apron interference and downstream submergence

both (A) and (B)

depends on depth of approach and upstream slope

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Irrigation Engineering
Attracting groynes are built

None of these

Inclined down stream

Inclined up stream

Perpendicular to the bank

None of these

Inclined down stream

Inclined up stream

Perpendicular to the bank

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Irrigation Engineering

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 For cereal crops the most commonly adopted method of irrigation, is

Irrigation Engineering The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)

Irrigation Engineering While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3

Irrigation Engineering Coefficient of discharge of an ogee spillway

Irrigation Engineering Attracting groynes are built

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
For cereal crops the most commonly adopted method of irrigation, is

Irrigation Engineering
The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.)

Irrigation Engineering
While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C1, C2 and C3 where drainage bed levels C1 > C2 > C3, you will provide at site C3

Irrigation Engineering
Coefficient of discharge of an ogee spillway

Irrigation Engineering
Attracting groynes are built