A. Super passage
B. Syphon – Aqueduct
C. Canal-syphon
D. Aqueduct
Related Mcqs:
- When the high flood level of the drain is sufficiently below the bed of the Canal that the drainage water flows freely under gravity, such structure is called___________________?
A. Aqueduct
B. Syphon-aqueduct
C. Cross-Drainage
D. Non-gravity structure - When FSL of the canal is sufficiently below the bottom of the drain, so that water flows freely under gravity, such structures is called_____________________?
A. Syphon
B. Syphon – Aqueduct
C. Super-passage
D. Canal-syphon - An open cut in the canal bank. with bed and sides to escape canal water through a lead channel to mix water in a nearby drain is called _____________________?
A. Inlet
B. Out let
C. Module
D. Exit - A structure provided when a large canal a big drainage channel approach other practically at the same level is called__________________?
A. Super passage
B. Level crossing
C. Canal crossing
D. Drainage crossing - An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called ___________________?
A. Inlet
B. Out let
C. entrance
D. Mixing - The level above the or below the sea level which is also called zero level or datum is called ___________________?
A. Reduce level
B. Positive level
C. Soil level
D. Negative level - A regulator is water controlling structure, it is provided at the head of canal to supply water from parent canal to the branch channel is called_______________________?
A. Head Regulator
B. Cross-Regulator
C. Escape
D. All are correct - The water level required on the upstream side of a canal head regulator, so as to feed the off-taking canal with its full supply is called_________________?
A. HFL
B. FSL
C. Pond level
D. Canal level - When a weir is constructed, the downstream .bed of the river goes on eroding and consequently causes progressive lowering of the bed on downstream of weir called__________________?
A. Retrogression
B. Lowering down of bed
C. Ponding on down stream
D. All are correct - The structures, which are constructed on the river bed upstream of head regulator. With this clear water enters in canal such structures are called______________________?
A. Silt excluders
B. Silt ejectors
C. Vortex pipes
D. Silt control structures
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