Water Management MCQs
According to Blight, the percolating water seeps along the lower contour of the hydraulic structure, the length traversed by this water is called ______________________?
A. Creep length
B. Seeping length
C. Piping
D. Undermining
The loss of head H/ L is proportional to the length of creep. There fore the loss of head per unit creep length is called ______________________?
A. Hydraulic gradient
B. Head loss
C. Creep length
D. Exit gradient
To keep the Hydraulic structure safe against undermining the ________________ should be safe?
A. Exit gradient
B. Hydraulic gradient
C. Creep length
D. Critical exit gradient
According to Mr. Khosla, the seeping water creates undermining and the undermining starts from__________________?
A. Down stream to up stream
B. Up stream to down stream
C. Top to bottom
D. Bottom to top
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
The invented filter is provided just after the end of concrete floor to reduce () possibility of _________________?
A. Piping
B. Under mining
C. Up thrust
D. a and b are correct
The inverted filter consists layer of materials of increasing ______________ from bottom to top?
A. Piping
B. Under mining
C. Permeability
D. Up thrust pressure
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
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
