MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Strength 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 + μ) |
| B. | C = E / (1 + μ) |
| C. | C = 2E / (1 + μ) |
| D. | C = 2E / 2(1 + μ) |
| Answer» D. C = 2E / 2(1 + ‚âà√≠¬¨‚à´) | |
| 2. |
What is the limiting values of Poissons 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 is the expression for modulus of rigidity in terms of modulus of elasticity and the Poissons ratio? |
| A. | G = 3E / 2(1 + μ) |
| B. | G = 5E / (1 + μ) |
| C. | G = E / 2(1 + μ) |
| D. | G = E/ (1 + 2μ) |
| Answer» D. G = E/ (1 + 2‚âà√≠¬¨‚à´) | |
| 5. |
What will be the value of the PoissonÔÇís 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 | |
| 6. |
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 | |
| 7. |
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 | |
| 8. |
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» B. (3K + 4G) /( 6K ‚Äö√Ñ√∂‚àö√ë‚àö¬® 4G) | |
| 9. |
How many elastic constants of a non homogeneous, non isotropic material will be? |
| A. | 9 |
| B. | 15 |
| C. | 20 |
| D. | 21 |
| Answer» E. | |
| 10. |
How many elastic constants of a linear, elastic, isotropic material will be? |
| A. | 2 |
| B. | 3 |
| C. | 1 |
| D. | 4 |
| Answer» B. 3 | |