Civil Engineering MCQAE Level Civil Engineering
A soil sample has volume of voids 0.6 m³ and volume of solids 1.0 m³. Void ratio is
Foundation EngineeringPYQ/PYQ-PatternMEDIUM
Choose the correct answer
A
1.60
B
1.67
C
0.37
D
0.60
Correct Answer
D. 0.60
Why is this the answer?
Void ratio e = V_v / V_s (dimensionless), where V_v = volume of voids (air + water) and V_s = volume of soil solids. Related to porosity: n = e/(1+e). Typical e values: dense gravel 0.25–0.45; loose sand 0.55–0.90; soft clay 1.5–3.0; peat > 3.0. Void ratio influences permeability, compressibility, and shear strength. Void ratio e=Vv/Vs=0.6/1.0=0.60.
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