**94) Which of the following ratio is correct regarding the percentage void ratio?**

- a) The ratio of the volume of air voids to the total volume of the soil sample
- b) The ratio of the volume of air voids to volume of total voids in a soil sample
- c) The ratio of the volume of air voids to volume of water in a soil sample
- d) The ratio of the volume of voids to the total volume of the soil solid

Komal Bhandakkar Answered question January 5, 2021

**Answer: a) The ratio of the volume of air voids to the total volume of the soil sample**

Explanation:The ratio of the volume of air voids to the total volume of the soil sample is the percentage void ratio & it is expressed as a percentage.

na = (Va/ V) x 100

Where,

- Va =Volume of air
- V = Total volume of soil sample

Komal Bhandakkar Edited answer January 5, 2021