Question Bank • QB_SWCE_EXP_079 NAT • 2 Marks

Section 4: Soil and Water Conservation Engineering

Soil and Water Erosion

Subtopic: Terraces and bunds

Question Statement:

A graded bund of trapezoidal cross-section has top width $0.50\text{ m}$, base width $2.50\text{ m}$, and height $0.80\text{ m}$. Calculate the cross-sectional area of the bund in $\text{m}^2$.

Answer Key:

1.2

Step-by-Step Solution & Explanation

Area of a trapezoid: $A = \frac{b_{\text{top}} + b_{\text{base}}}{2} \times h = \frac{0.50 + 2.50}{2} \times 0.80 = \frac{3.0}{2} \times 0.80 = 1.50 \times 0.80 = 1.20\text{ m}^2$
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