Geotechnical Engineering Mock Test 4

10%

Question 1 of 10

1. Darcy’s law of linear dependency is valid for only _______ flow conditions in soil.

turbulent

laminar and turbulent

intermediate

laminar

Question 1 of 10

Question 2 of 10

2. In what way, do the fluid particles travel in a turbulent flow?

Twisting

Re-crossing

Definite path

Crossing

Question 2 of 10

Question 3 of 10

3. The velocity of flow is proportional to _________ according to Darcy’s law.

adhesion

cohesion

hydraulic gradient

effective stress

Question 3 of 10

Question 4 of 10

4. Falling head permeability test can be used for ___________

All of the mentioned

Less permeable soil

Coarse-grained soil

Clayey soil

Question 4 of 10

Question 5 of 10

5. The capillary forces can rise the water in the capillary tube against the gravity force.

False

True

Question 5 of 10

Question 6 of 10

6. The average permeability of soil deposits depends on __________

Saturation of the soil

Moisture content

Coefficient of permeability

Direction of flow

Question 6 of 10

Question 7 of 10

7. If the discharge velocity is 4*10^-7cm/s and the porosity is 33%, then the seepage velocity will be _______

18*10^-7cm/s

6*10^-7cm/s

12*10^-7cm/s

3*10^-7cm/s

Question 7 of 10

Question 8 of 10

8. The degree of saturation in capillarity-permeability test can be found out by ___________

All of the mentioned

Taking wet mass of soil

Known dry mass of soil

Finding the porosity

Question 8 of 10

Question 9 of 10

9. The Jodhpur permeameter, was designed by ___________

Poiseullie’s

Alam Singh

Louden

Kozney

Question 9 of 10

Question 10 of 10

10. The velocity of flow of water at the centre of tube is _______ when the head is 0.1m, η=8.9*10^-3 dynes-s/cm², γ_w=1 g/cm³, the length is 10m and the diameter is 20cm.

30 cm/s

20 cm/s

22 cm/s

28 cm/s

Question 10 of 10