Allied & ICAR Exam Bank • ALLIED_2458 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

If identical spherical soybeans are packed in a container in a face-centered cubic arrangement with packing fraction 0.74, what is the void fraction (porosity, epsilon) of the bulk grain bed?

Options:

  • (A) 0.26 (26%)
  • (B) 0.74 (74%)
  • (C) 0.36 (36%)
  • (D) 0.48 (48%)

Answer Key:

A

Step-by-Step Solution & Explanation

Porosity epsilon = 1 - Packing fraction = 1 - 0.74 = 0.26 (26%).
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