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Hydrology & Irrigation

Types of Cross Drainage Structures

If the path o...

Question

If the path of an irrigation canal is below the level of a natural stream, the type of cross-drainage structure provided is

A

Aqueduct

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B

Super passage

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C

Sluice gate

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D

Level crossing

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Solution

The correct option is B Super passage
If the path of an irrigation canal is below the bed level of a natural stream, the type of cross-drainage work provided is super passage.

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Q. A cross drainage structure in which natural drain is carried over the canal and full supply level of canal is higher than that of bed of natural drain is called :

Q. What type of cross drainage work is provided when the canal runs below the drain, with FSL of canal well below the bed of the drain?

Q. List-I
A. Aqueduct

B. Level crossing

C. Super passage

D. Syphon

List-II
1. The drainage water is carried in a trough supported on piers while the irrigation canal passes below the drain with its FSL well below the slab level of the trough above.

2. The drainage water is carried in a trough supported on piers while the irrigation canal passes below the drain with its FSL above the slab level of the trough above.

3. The canal and the drain approach each practically at the same level.

4. The irrigation canal is carried across the drain in a trough supported on piers with the canal bed level well above the HFL of the drain.

Q. Superpassage is a canal cross-drainage structure in which

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