MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During quenching, there could be a mechanism like ______ |
| A. | vacancy diffusion |
| B. | vacancy formation |
| C. | grain diffusion |
| D. | grain boundary distortion |
| Answer» B. vacancy formation | |
| 2. |
If the quenching medium cools the specimen at a faster rate, cracks might occur in the specimen. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
If a quenching medium cools slower than the required rate, the final product will have different properties than desired. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
An alloy quenched past the nose of the C-curve in the isothermal transformation diagram will undergo _______ transformation. |
| A. | martensitic |
| B. | perlitic |
| C. | austentic |
| D. | ferritic |
| Answer» B. perlitic | |
| 5. |
IF_THE_QUENCHING_MEDIUM_COOLS_THE_SPECIMEN_AT_A_FASTER_RATE,_CRACKS_MIGHT_OCCUR_IN_THE_SPECIMEN.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
During_quenching,_there_could_be_a_mechanism_like_______$ |
| A. | vacancy diffusion |
| B. | vacancy formation |
| C. | grain diffusion |
| D. | grain boundary distortion |
| Answer» B. vacancy formation | |
| 7. |
If a quenching medium cools slower than the required rate, the final product will have different properties than desired? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The heat transfer during quenching is related to heat transfer during ______ |
| A. | annealing |
| B. | boiling |
| C. | martempering |
| D. | hardening |
| Answer» C. martempering | |
| 9. |
Quenching is generally carried out to _____ |
| A. | remove brittleness |
| B. | remove rust |
| C. | freeze the high temperature structure |
| D. | oxidise the surface of the component for good reason |
| Answer» D. oxidise the surface of the component for good reason | |
| 10. |
Quenching is can also be used for _____ |
| A. | fibres |
| B. | polymers |
| C. | metallic glasses |
| D. | plastics |
| Answer» D. plastics | |
| 11. |
How many types of quenching are there? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 12. |
Quenching medium is decided on the basis of ______ |
| A. | weight of the specimen |
| B. | material of the specimen |
| C. | thickness of the specimen |
| D. | application of the specimen |
| Answer» D. application of the specimen | |
| 13. |
Quenching is the process of _______ |
| A. | rapid cooling |
| B. | slow cooling |
| C. | rapid heating |
| D. | slow heating |
| Answer» B. slow cooling | |