MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Pure metals generally solidify at _________ temperature. |
| A. | Boiling |
| B. | Freezing |
| C. | Room |
| D. | Cryogenic |
| Answer» C. Room | |
| 2. |
Which defect is illustrated in the below figure? |
| A. | Earing |
| B. | Sinking |
| C. | Burr and bend |
| D. | Strain hardening |
| Answer» B. Sinking | |
| 3. |
Which defect does the following image denote? |
| A. | Orange peel |
| B. | Sinking |
| C. | Burr and bend |
| D. | Wrinkling |
| Answer» B. Sinking | |
| 4. |
PURE_METALS_GENERALLY_SOLIDIFY_AT___________TEMPERATURE.?$ |
| A. | Boiling |
| B. | Freezing |
| C. | Room |
| D. | Cryogenic |
| Answer» C. Room | |
| 5. |
Which of the following holds true for pure metals? |
| A. | Low ductility |
| B. | High tensile strength |
| C. | High yield point |
| D. | Corrosion resistance |
| Answer» E. | |
| 6. |
Crystal growth occurs in __________ manner. |
| A. | Dendritic |
| B. | Pyramidal |
| C. | Granular |
| D. | Linear |
| Answer» B. Pyramidal | |
| 7. |
Seed crystals are formed due to _________ of melt. |
| A. | Heating |
| B. | Cooling |
| C. | Overheating |
| D. | Undercooling |
| Answer» E. | |
| 8. |
Which of the following is not a stage of volume shrinkage? |
| A. | Liquid contraction |
| B. | Solid contraction |
| C. | Gaseous contraction |
| D. | Solidification contraction |
| Answer» D. Solidification contraction | |
| 9. |
Wrinkling is caused due to _______ |
| A. | Compressive stress |
| B. | Tensile stress |
| C. | Improper clearance |
| D. | Excessive deformation |
| Answer» B. Tensile stress | |
| 10. |
Which of the following is a chipless machining method? |
| A. | Broaching |
| B. | Reaming |
| C. | Abrasive machining |
| D. | Electrical discharge |
| Answer» E. | |