MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering Questions & Answers Powder Metallurgy Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Sintering is done to _____________ |
| A. | increase final strength |
| B. | decrease final strength |
| C. | initially increase and then to decrease the strength |
| D. | initially decrease and then to increase the strength |
| Answer» B. decrease final strength | |
| 2. |
Powder of various and non-ferrous material which becomes brittle on heating, can be formed using? |
| A. | Atomization |
| B. | Reduction |
| C. | Crushing |
| D. | Electrolysis |
| Answer» D. Electrolysis | |
| 3. |
Production of pure powder of iron and copper can be effectively done using? |
| A. | Atomization |
| B. | Reduction |
| C. | Crushing |
| D. | Electrolysis |
| Answer» E. | |
| 4. |
Formation of metal powder to use in powder metallurgy by reducing some compound with CO or other molecules is known as? |
| A. | Atomization |
| B. | Reduction |
| C. | Crushing |
| D. | Electrolysis |
| Answer» C. Crushing | |
| 5. |
Process of forming metal powder by directing molten metal through an orifice after which it is break into small particle using high pressure fluid is known as? |
| A. | Atomization |
| B. | Reduction |
| C. | Crushing |
| D. | Electrolysis |
| Answer» B. Reduction | |
| 6. |
In powder metallurgy, range of particle size (in microns) is? |
| A. | 4 to 200 |
| B. | 0.300 to 0.003 |
| C. | 100 to 2000 |
| D. | 5000 to 6000 |
| Answer» B. 0.300 to 0.003 | |
| 7. |
Complex shape can be formed effectively using? |
| A. | Powder metallurgy |
| B. | Turning |
| C. | Sand casting |
| D. | Metal casting |
| Answer» B. Turning | |
| 8. |
Wastage of material in powder metallurgy as scrap is ____________ |
| A. | large |
| B. | small |
| C. | depends on other factors |
| D. | medium |
| Answer» C. depends on other factors | |
| 9. |
What is the dimensional accuracy in powder metallurgy? |
| A. | High |
| B. | Medium |
| C. | Low |
| D. | Sometimes high and sometimes low |
| Answer» B. Medium | |