Geotechnical Engineering Practice Test 5

1. When water flows through a saturated soil mass, piezometric head is the sum of velocity head and position head.

2. If a soil has a voids ratio of 0.68 and water percolating through it has a discharge velocity of 1.35*10^-2cm/s. Calculate its seepage velocity.

3. In the figure the face KF is _________

4. The failure of Naror weir in India was due to __________

5. In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15 * 10^-4m/s, drawdown is 4m and aquifer is 30m thick. If radius of influence is 245m, what is the discharge in each well?

6. Seepage pressure is responsible for quick sand condition.

7. For the water flowing above an impervious, infinite, horizontal plane. The net flow is given by ___________

8. The total head at any point on soil may be regarded as __________ per unit weight of water measured.

9. The effective pressure subjected to seepage pressure is given by _______

10. Seepage force is the energy transfer between __________