13717. When a thin cvlindrical shell is subjected to an internal pressure, the volumetric strain is (where ε1 = Hoop strain, and ε2 = Longitudinal strain) September 13, 2025 by Admin 2ε1 – ε2 2ε1 + ε2 2ε2 – ε1 2ε2 + ε1 ✅ The correct answer is option B.