A gas cylinder (closed thin-walled cylindrical pressure vessel) of diameter 30cm and wall thickness
1mm is subjected to a design maximum internal pressure of 5bar (0.5MPa). The material used for
manufacturing this cylinder has a failure stress of 260MPa. Assuming von Mises failure criterion,
the factor of safety (with respect to maximum allowable stress) for this cylinder is
(A) 2.8 (B) 2.0 (C) 6.9 (D) 4.0
AE 8/11
AE (GATE 2014)
- AE
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2014 Q.41)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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