Mostly the salt of calcium and Magnesium can not cause ________________?
A. Salinity
B. Alkalinity
C. Poisoning
D. Turbidity
An open cut given in a canal bank, suitably protected by stone pitching to the upland drainage water into the canal is called ___________________?
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
When FSL of the canal is sufficiently above the bed level of drainage so that canal flows under syphonis action, the structure is called _____________________?
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
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___________________?
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 the rate of change of discharge of outlet equals the rate of change of discharge of the channel, the out let is called __________________?
When the rate of change of discharge of outlet equals the rate of change of discharge of the channel, the out let is called __________________?
A. Sensitive
B. Flexible
C. Proportional
D. Non-flexible
A module or outlet in which discharge is fixed and limited, irrespective fluctuations in water levels in distributary is called _________________?
A module or outlet in which discharge is fixed and limited, irrespective fluctuations in water levels in distributary is called _________________?
A. Modular
B. Non-modular
C. Semi-modular
D. Semi – Rigid
The total length of impervious floor on down stream of the hydraulic structure is determined by Bligh’s Theory__________________?
The total length of impervious floor on down stream of the hydraulic structure is determined by Bligh’s Theory__________________?
A. Lane
B. Darcy
C. Khosla
D. All are correct
The inverted filter consists layer of materials of increasing ______________ from bottom to top?
The inverted filter consists layer of materials of increasing ______________ from bottom to top?
A. Pig
B. Under mining
C. Permeability
D. Up thrust pressure
The invented filter is provided just after the end of concrete floor to reduce () possibility of _________________?
The invented filter is provided just after the end of concrete floor to reduce () possibility of _________________?
A. Pig
B. Under mining
C. Up thrust
D. a and b are correct
Khosla provided a seepage theory for design of Hydraulic structures called________________?
Khosla provided a seepage theory for design of Hydraulic structures called________________?
A. Theory of seepage
B. Method of independent variables
C. Method of cutoffs
D. Creep theory