QUESTION
Objective Question
If the soil sample is having porosity 50% and degrees of saturation at 90% then its
percentage air voids is :
Answer
( Option A)
5%
Solution
To find, na = percentage air void
S + ac = 1
ac = Air content
ac = 1 – S = 1 - 0.9
= 0.1 = 10%
na = n × ac
= 0.5 × 0.1 = 0.05 = 5%
na= 5%
