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Geological Engineering · Q74

Soil Mechanics

Engineering and GATE · Geological Engineering · question 74

Q74

A soil sample has a porosity of 40%. What does this mean?

A.
40% of its weight is water
B.
40% of volume is voids
Answer
C.
40% is composed of clay
D.
40% of air has escaped

Answer: Option B

Solution

Answer: Option B
Solution:
Porosity is the ratio of void volume to total volume.A porosity of 40% means 40% of the soil's volume is voids (air + water).