Allied & ICAR Exam Bank • ALLIED_1981 MCQ • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

In grain storage engineering, spherical seeds packed randomly in a silo typically achieve a random close packing (RCP) density of approximately:

Options:

  • (A) 0.64 (64%)
  • (B) 0.90 (90%)
  • (C) 0.50 (50%)
  • (D) 0.74 (74%)

Answer Key:

A

Step-by-Step Solution & Explanation

Random close packing (RCP) of equal hard spheres experimentally and theoretically yields a volume fraction of approximately 0.64 (64%).
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