MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the relationship between E, G and K is true, where E, G and K have their usual meanings? |
| A. | E = 9KC / (3K + C) |
| B. | E = 9KC / (9K + C) |
| C. | E = 3KC / (9K + C) |
| D. | E = 3KC / (3K + C) |
| Answer» B. E = 9KC / (9K + C) | |
| 2. |
What is the relationship between the linear elastic properties Youngs modulus, bulk modulus and rigidity modulus? |
| A. | 1/E = 9/k + 3/G |
| B. | 9/E = 3/K + 1/G |
| C. | 3/E = 9/K + 1/G |
| D. | 9/E = 1/K + 3/G |
| Answer» E. | |
| 3. |
If E,G and K have their usual meanings, for an elastic material, then which one of the following be possibly true? |
| A. | G = 2K |
| B. | G = K |
| C. | K = E |
| D. | G = E = K |
| Answer» D. G = E = K | |
| 4. |
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 __________ |
| A. | 0.9469 MPa |
| B. | 0.8375 MPa |
| C. | 0.4664 MPa |
| D. | 0.4025 MPa |
| Answer» D. 0.4025 MPa | |
| 5. |
E, G, K and elastic modulus, shear modulus, bulk modulus and Poisson s ratio respectively. To express the stress strain relations completely for this material, at least __________ |
| A. | E, G and must be known |
| B. | E, K and must be known |
| C. | Any two of the four must be known |
| D. | All the four must be known |
| Answer» D. All the four must be known | |
| 6. |
The relationship between Youngs modulus E, bulk modulus K if the value of Poissons ratio is unity will be __________ |
| A. | E = -3K |
| B. | K = -3E |
| C. | E = 0 |
| D. | K = 0 |
| Answer» B. K = -3E | |
| 7. |
What is the ratio of Youngs modulus E to shear modulus G in terms of Poissons ratio? |
| A. | 2(1 + ) |
| B. | 2(1 ) |
| C. | 1/2 (1 ) |
| D. | 1/2 (1 + ) |
| Answer» B. 2(1 ) | |