A. Creep length
B. Seeping length
C. Piping
D. Undermining
Related Mcqs:
- A water pool is designed on the down stream of the hydraulic structure to dissipate the energy of falling water by providing a water cushion called ______________________?
A. Water pool
B. Cistern
C. Down stream pond
D. Water cushion - The contour of equal water heads and pressure in the soil mass beneath retaining structure are called___________________?
A. Stream lines
B. Equipotential lines
C. Equilibrium lines
D. Streak lines - 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 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 - If E1 is the energy before the hydraulic jump and E2 is the energy after the hydraulic jump the efficiency of jump is then given by _____________________?
A. E2 – E1
B. E2 / E1
C. E1 – E2
D. E1 / E2 - The down stream sloping glacis of the Hydraulic structure is made in such a way to form automatically the _____________ and dissipate the surplus energy of flowing water?
A. Afflux
B. Hydraulic jump
C. Pond level
D. HFL - At the end of hydraulic structure, the upward force of sub-soil water just becomes equal to the submerged weight of soil grains Then exit gradient will be called______________?
A. Submerged exit gradient
B. Critical exit gradient
C. Balanced exit gradient
D. All are correct - 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 - A line shown on a contour map, set out on ground between certain constant points of slope is called___________________?
A. Gradient
B. Contour gradient
C. Contour line
D. Counter interval - 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
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