Question
Download Solution PDFMatch List I with List II and select the correct answer from the combinations given below:
List I
List II
a. Moment of inertia
1. Tensile stress
b. Elongation
2. Modulus of rupture
c. Neutral axis
3. Zero shear stress
d. Top fibre
4. Zero longitudinal stress
| List I | List II |
|---|---|
| a. Moment of inertia | 1. Tensile stress |
| b. Elongation | 2. Modulus of rupture |
| c. Neutral axis | 3. Zero shear stress |
| d. Top fibre | 4. Zero longitudinal stress |
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Moment of Inertia → 2. Modulus of Rupture
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Moment of Inertia is the geometric property of a cross-section that indicates its resistance to bending.
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It is used in bending stress formula and helps calculate the modulus of rupture (ultimate flexural stress).
Elongation → 1. Tensile Stress
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Elongation is the change in length of a material when subjected to tensile stress.
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Tensile stress causes a material to stretch.
Additional InformationNeutral Axis → 4. Zero Longitudinal Stress
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The neutral axis of a beam section is where the longitudinal stress = 0 during bending.
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Fibres above this axis are in compression, below are in tension.
Top Fibre → 3. Zero Shear Stress
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At the top and bottom fibres of a beam section, shear stress is zero
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Maximum shear stress occurs at the neutral axis.
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