Civil Engineering :: Irrigation
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In a syphon aqueduct
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Which one of the following statements is correct ?
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Garnett's diagrams are used for graphical solution of design equations of a canal by
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A current meter measures the velocity of flow, if it is held
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In a concrete canal the approximate permissible velocity of water should not exceed
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Pick up the correct sequence of the part of a canal system from the following
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A counter berm is
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Pick up the correct statement from the following:
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For diversion of flood water of rivers, the type of canal constructed, is
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To control the silt entry into a distributary at head regulator, King's vanes are provided which are the walls
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A.
drainage passes over the canal and F.S.L. of the canal is below the bottom of the drainage trough |
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B.
drainage passes over the canal and F.S.L. of the canal is above the bottom of the drainage trough |
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C.
canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough |
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D.
canal passes over the drainage and H.F.L. of the drainage is below the bottom of the canal trough. |
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A.
The canal system and the drainage system are complementary |
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B.
The canal system runs on ridges, gets divided into smaller channels and spreads its water on the land |
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C.
The drainage system runs along the lowest line, collects drainage water from the slopes and joins the main stream |
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D.
All the above. |
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A.
Water table generally follows the ground surface above it with a few exceptions |
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B.
Static level of water in an open well indicates the position of the water table |
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C.
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D.
At water table, hydrostatic pressure is zero |
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E.
All the above. |