Question Bank • QB_SWCE_EXP_018 MCQ • 1 Mark

Section 4: Soil and Water Conservation Engineering

Soil Mechanics

Subtopic: Fundamental definitions and relationships

Question Statement:

The porosity $n$ of a soil sample having a void ratio $e = 0.50$ is:

Options:

  • (A) 0.25
  • (B) 0.33
  • (C) 0.50
  • (D) 0.67

Answer Key:

B

Step-by-Step Solution & Explanation

The relationship between porosity $n$ and void ratio $e$ is: $n = \frac{e}{1 + e} = \frac{0.50}{1 + 0.50} = \frac{0.50}{1.50} = \frac{1}{3} \approx 0.3333$
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