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This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.
1. |
In which of the following the angle of twist increases fast for a small amount of torque? |
A. | Cold working condition |
B. | Hot working condition |
C. | Warm working condition |
D. | The increase is the same for cold working, hot working and warm working |
Answer» C. Warm working condition | |
2. |
Shear stress on a solid bar and hollow bar is same for given dimension. |
A. | True |
B. | False |
Answer» C. | |
3. |
What is the unit of polar moment of inertia? |
A. | m<sup>2</sup> |
B. | m<sup>5</sup> |
C. | m<sup>3</sup> |
D. | m<sup>4</sup> |
Answer» E. | |
4. |
Plastic deformation can only occur in case of torsional force. |
A. | True |
B. | False |
Answer» C. | |
5. |
Torsional stress multiplied with original cross sectional are is: |
A. | Maximum twisting load |
B. | Minimum twisting load |
C. | Minimum shear load |
D. | Yield shear load |
Answer» B. Minimum twisting load | |
6. |
Which of the following is used to measure how much the specimen is twisted? |
A. | Micrometer |
B. | Clinometer |
C. | Troptometer |
D. | Tropometer |
Answer» D. Tropometer | |
7. |
What is the use of weight head in a torsion testing equipment? |
A. | Holding the job only |
B. | Holding the job and applying twisting moment |
C. | Holding the job and measuring the twisting moment |
D. | It is not a part of torsion testing equipment |
Answer» D. It is not a part of torsion testing equipment | |
8. |
Which of the following cannot be determined using a torsion test? |
A. | Modulus of elasticity in shear |
B. | Torsion yield strength |
C. | Modulus of rupture |
D. | Young’s modulus |
Answer» E. | |