Stress and Strain MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Stress and Strain, 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 Stress and Strain 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 Stress and Strain mcq questions that explore various aspects of Stress and Strain problems. Each MCQ is crafted to challenge your understanding of Stress and Strain 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 Stress and Strain 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 Stress and Strain. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Stress and Strain knowledge to the test? Let's get started with our carefully curated MCQs!

Stress and Strain MCQs | Page 9 of 9

Q81.
What is the ratio of Youngs modulus E to shear modulus G in terms of Poissons ratio?
Discuss
Answer: (a).2(1 + μ)
Q82.
The relationship between Youngs modulus E, bulk modulus K if the value of Poissons ratio is unity will be __________
Discuss
Answer: (a).E = -3K
Q83.
A rod of length L and diameter D is subjected to a tensile load P. Which of the following is sufficient to calculate the resulting change in diameter?
Discuss
Answer: (a).Youngs modulus
Q84.
E, G, K and μ elastic modulus, shear modulus, bulk modulus and Poisson’s ratio respectively. To express the stress strain relations completely for this material, at least __________
Discuss
Answer: (c).Any two of the four must be known
Q85.
Youngs modulus of elasticity and Poissons ratio of a material are 1.25 x 10² MPa and 0.34 respectively. The modulus of rigidity of the material is __________
Discuss
Answer: (c).0.4664 MPa
Q86.
If E,G and K have their usual meanings, for an elastic material, then which one of the following be possibly true?
Discuss
Answer: (c).K = E
Q87.
If a material had a modulus of elasticity of 2.1 kgf/cm² and a modulus of rigidity of 0.8 kgf/cm² then what will be the approximate value of the Poissons ratio?
Discuss
Answer: (b).0.31
Q88.
Consider the following statements:

1. Two-dimensional stresses applied to a thin plater in its own plane represent the plane stress condition.

2. Normal and shear stresses may occur simultaneously on a plane.

3. Under plane stress condition, the strain in the direction perpendicular to the plane is zero.

Which of the above statements are correct?
Discuss
Answer: (d).1 and 3
Q89.
What is the relationship between the linear elastic properties Youngs modulus, bulk modulus and rigidity modulus?
Discuss
Answer: (d).9/E = 1/K + 3/G
Q90.
Which of the relationship between E, G and K is true, where E, G and K have their usual meanings?
Discuss
Answer: (a).E = 9KC / (3K + C)
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