Strain Energy and Resilience MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Strain Energy and Resilience, a fundamental topic in the field of Mechanics of Materials. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Strain Energy and Resilience MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Strain Energy and Resilience mcq questions that explore various aspects of Strain Energy and Resilience problems. Each MCQ is crafted to challenge your understanding of Strain Energy and Resilience principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanics of Materials tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Strain Energy and Resilience MCQs are your pathway to success in mastering this essential Mechanics of Materials topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Strain Energy and Resilience. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Strain Energy and Resilience MCQs | Page 1 of 6

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Q1.
What is the strain energy stored in a body due to gradually applied load?
Discuss
Answer: (d).ΟƒV²/2E
Q2.
Strain energy stored in a body to uniform stress s of volume V and modulus of elasticity E is __________
Discuss
Answer: (a).s²V/2E
Q3.
In a material of pure shear stress Ο„the strain energy stored per unit volume in the elastic, homogeneous isotropic material having elastic constants E and v will be:
Discuss
Answer: (b).Ο„²/E x (1+ v)
Q4.
PL³/3EI is the deflection under the load P of a cantilever beam. What will be the strain energy?
Discuss
Answer: (b).P²L³/6EI
Q5.
A rectangular block of size 400mm x 50mm x 50mm is subjected to a shear stress of 500kg/cm². If the modulus of rigidity of the material is 1×10⁢ kg/cm², the strain energy will be __________
Discuss
Answer: (a).125 kg-cm
Q6.
A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ₁ and Οƒβ‚‚ at a point in two dimensional stress system. The strain energy per unit volume of the material is __________
Discuss
Answer: (a).(σ₁² + Οƒβ‚‚² – 2σ₁σ₂ ) / 2E
Q7.
If forces P, P and P of a system are such that the force polygon does not close, then the system will __________
Discuss
Answer: (d).Not be in equilibrium
Discuss
Answer: (d).Product of strain and Young’s modulus of the material
Q9.
A bar of cross-section A and length L is subjected to an axial load W. the strain energy stored in the bar would be __________
Discuss
Answer: (c).W²L / 2AE
Q10.
A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the stretch in the rod if E = 2×10⁡ N/mm²?
Discuss
Answer: (d).1.19mm
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