MCQOPTIONS
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MCQOPTIONS
This section includes 10 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 blasting, the workpiece is exposed to an abrasive air jet pressure of _____ MPa. |
| A. | 0—1 |
| B. | 0—0.2 |
| C. | 0.2—0.8 |
| D. | >1 |
| Answer» D. >1 | |
| 2. |
In AJMM, the substrate has to be shielded by a mask. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
There is appearance of the dimples during AJM. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
AJMM can also machine poly methyl methacrylate (PMMA). |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
For metal, velocity coefficient ranges from_____ |
| A. | 0.5—1 |
| B. | 1.8—3 |
| C. | 2.3—3 |
| D. | 2—4 |
| Answer» D. 2—4 | |
| 6. |
Erosion rate is directly proportional to velocity of the jet. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
In AJMM, there is initial weight gain in the workpiece. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The mass loss of workpiece is proportional to_____ |
| A. | power supplied |
| B. | nozzle diameter |
| C. | amount of abrasive |
| D. | carrier gas |
| Answer» D. carrier gas | |
| 9. |
Brittle fracture can occur due to indentation rupture. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
In AJMM, material removal starts when the fracture strength is reached. |
| A. | True |
| B. | False |
| Answer» B. False | |