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. |
What is the relationship between modulus of elasticity and modulus of rigidity? |
| A. | C = E / 2(1 + ) |
| B. | C = E / (1 + ) |
| C. | C = 2E / (1 + ) |
| D. | C = 2E / 2(1 + ) |
| Answer» D. C = 2E / 2(1 + ) | |
| 2. |
What is the limiting values of Poisson s ratio? |
| A. | -1 and 0.5 |
| B. | -1 and -0.5 |
| C. | -1 and -0.5 |
| D. | 0 and 0.5 |
| Answer» E. | |
| 3. |
What is the relationship between Youngs modulus E, modulus of rigidity C, and bulk modulus K? |
| A. | E = 9KC / (3K + C) |
| B. | E = 9KC / (9K + C) |
| C. | E = 3KC / (3K + C) |
| D. | E = 3KC / (9K + C) |
| Answer» B. E = 9KC / (9K + C) | |
| 4. |
What will be the value of the Poisson s ratio if the Youngs modulus E is equal to the bulk modulus K? |
| A. | 1/2 |
| B. | 1/4 |
| C. | 1/3 |
| D. | 3/4 |
| Answer» D. 3/4 | |
| 5. |
In an experiment, the bulk modulus of elasticity of a material is twice its modulus of rigidity. The Poissons ratio of the material is ___________ |
| A. | 1/7 |
| B. | 2/7 |
| C. | 3/7 |
| D. | 4/7 |
| Answer» C. 3/7 | |
| 6. |
Calculate the modulus of resilience for a 2m long bar which extends 2mm under limiting axial stress of 200 N/mm2? |
| A. | 0.01 |
| B. | 0.20 |
| C. | 0.10 |
| D. | 0.02 |
| Answer» D. 0.02 | |
| 7. |
How can be the Poissons ratio be expressed in terms of bulk modulus(K) and modulus of rigidity(G)? |
| A. | (3K 4G) / (6K + 4G) |
| B. | (3K + 4G) /( 6K 4G) |
| C. | (3K 2G) / (6K + 2G) |
| D. | (3K + 2G) / (6K 2G) |
| Answer» D. (3K + 2G) / (6K 2G) | |