Allied & ICAR Exam Bank • ALLIED_2596 NAT • 2 Marks

Section 8: General Aptitude

Analytical & Spatial Aptitude

Subtopic: Spatial Reasoning & 3D Representations

Question Statement:

In a body-centered cubic (BCC) structure, what is the packing density in percent? (Round to nearest integer)

Answer Key:

68

Step-by-Step Solution & Explanation

BCC packing factor = sqrt(3)*pi / 8 approx 0.6802, which corresponds to 68%.
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