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Which of the following parameters is a fundamental rheological property?
EXPLANATION
Differential Scanning Calorimetry , Rheometry
- Fundamental vs Empirical Rheological Properties:
- Fundamental Rheological Properties:
- Well-defined physical quantities independent of sample geometry, instrument dimensions, or test speed (e.g., shear modulus, true viscosity, fracture stress / true failure stress).
- Empirical Texture Profile Analysis (TPA) Properties:
- Hardness, chewiness, adhesiveness, and gumminess are empirical, instrument-dependent sensory descriptors measured via two-bite force-time curves.
- Conclusion: Fracture stress (Option 4).
Correct option: (4) Fracture stress
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