1. Void ratio of soil is the ratio of the

- Volume of voids to volume of soil solids
- Volume of voids to volume of water
- Volume of soils solids to volume of voids
- Volume of voids to total volume

2. For sand of uniform spherical particles, the ratio of void ratio in the loosest and the densest states is

- 3.0
- 3.5
- 4.6
- 2.6

3. The difference between maximum void ratio and minimum void ratio of sand is 0.30. If the relative density of this sand is 66.6% at a void ratio of 0.40, then the void ratio at its loosest state is

- 0.6
- 0.4
- 0.75
- 0.7

4. The natural voids ratio of a sand sample is 0.6 and its density index is 0.60. If its voids ratio in the loosest state is 0.9, then the void ratio in the densest state will be

- 0.4
- 0.2
- 0.8
- 0.6

5. The maximum possible voids ratio for a uniformly graded sand of perfectly spherical grains is

- 33.33
- 66.66
- 50.5
- 47.63

6. A soil has shrinkage limit of 10% and specific gravity of soil solids as 2.7. The void ratio of the soil at shrinkage limit is

- 21.2%
- 73%
- 78.8%
- 27%

7. Theoretically, the void ratio in soil can have the following values

- less than one only
- more than one
- less than 0.5
- can be less or more than one

8. For a fully saturated soil, water content is 45% and G_{s} = 2.67. The void ratio of the soil is

- 1.2015
- 2.0195
- 1.1195
- 1.2195

9. The difference between maximum void ratio and minimum void ratio of a sand sample is 0.25. If relative density of this sample is 60% at a void ratio of 0.40, then the void ratio of this sample at its loosest state will be

- 0.40
- 0.75
- 0.70
- 0.55

10. A cohesive soil yields a maximum dry density of 18 kN/m^{3} during a standard protor compaction test. If the specific gravity is 2.65. What would be its void ratio? (Adopt unit weight of water as 10 kN/m^{3})

- 0.5523
- 0.4722
- 0.7121
- 0.5835

11. A dry soil sample weighing 120 g has a volume of 80 ml and specific gravity 2.7. Its voids ratio is

- 0.8
- 0.7
- 0.6
- 0.5

12. A saturated soil sample has water content of 40% and specific gravity at soil particles is 2.7. The void ratio of the soil is

- 0.4
- 0.52
- 1.08
- 2.0

13. The ratio between the total volume of voids and the total volume of solids is called

- Porosity
- Void ratio
- Solid fraction
- Void fraction

14. What is defined as the ratio of volume of air voids to the total volume of soil mass and is expressed as percentage?

- void ratio
- porosity
- percentage air voids
- air content

15. A dry soil has mass specific gravity of 1.4. If the specific gravity of solids is 2.7, then the void ratio will be

- 0.8
- 0.4
- 1.2
- 1.0

16. A soil sample is having a specific gravity of 2.60 and void ratio 0.78, the moisture content in % required to fully saturate the soil at that void ratio would be

- 30
- 10
- 70
- 50

17. A soil sample is having a specific gravity of 2.5 and a void ratio of 0.5. The water content in percentage required to fully saturate the soil at the void ratio would be

- 20
- 5
- 25
- 2.5

18. Void ratio of soil mass can

- Take any value greater than zero
- Be zero
- Never be greater than unity
- Take values between 0 and 1 only

19. A dry soil has mass specific gravity of 1.35 if the specific gravity of solids is 2.7, then the void ratio will be

- 0.5
- 1.0
- 1.5
- 2.0

20. A cohesive soil yields a maximum dry density of 16 kN/m^{3} during a standard proctor Compaction test. What would be its void ratio if the specific gravity is 2.60

- 0.625
- 0.552
- 0.5883
- 0.712