A 0.5 m long thin-walled circular shaft of radius 2 cm is to be designed for an
axial load of 7.4 kN and a torque of 148 Nm applied at its tip, as shown in the
figure.
The allowable stress under uniaxial tension is 100 MPa.
Using maximum principal stress criterion, the minimum thickness, t, of the shaft
so that it does not fail is _____ mm (rounded off to the nearest integer).
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2022 Q.59)**
**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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