A. Syphon
B. Syphon – Aqueduct
C. Super-passage
D. Canal-syphon
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 above the bed level of drainage so that canal flows under syphonis action, the structure is called _____________________?
A. Super passage
B. Syphon – Aqueduct
C. Canal-syphon
D. Aqueduct - 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 - 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 - 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 field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?
A. Soil moisture
B. Equivalent moisture
C. Field moisture
D. Available moisture - 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 - 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 - Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?
A. 1.0
B. 1.2
C. 1.5
D. 2.0 - An impermeable Formation which neither contains water nor transmits water may be called_____________________?
A. Aquifuge
B. Aquifer
C. Aquiclude
D. Confined-aquifer
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