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This section includes 5 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. |
Which of the following can be theoretical shear stress produced in metals? ( GPa stands for Giga pascal) |
A. | 10 GPa |
B. | 32 GPa |
C. | 2 GPa |
D. | 50 GPa |
Answer» B. 32 GPa | |
2. |
What are the dislocation in which the line direction and Burgers vector are neither perpendicular nor parallel? |
A. | Screw dislocation |
B. | Edge dislocation |
C. | Jog dislocation |
D. | Mixed dislocation |
Answer» E. | |
3. |
In an edge dislocation, a helical path is traced around the dislocation line. |
A. | True |
B. | False |
Answer» C. | |
4. |
To determine yield strength of a material which of the following needn t be affected? |
A. | Solute hardening |
B. | Precipitation hardening |
C. | Work hardening |
D. | Martensic transformation |
Answer» E. | |
5. |
Which type of defect are line defects? |
A. | One-dimensional defect |
B. | Zero-dimensional defect |
C. | Two-dimensional defect |
D. | Three-dimensional defect |
Answer» B. Zero-dimensional defect | |