MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The machinability of USM depends on brittleness criterion. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In the following mechanisms, which one is dominant in material removal? |
| A. | Hammering |
| B. | Cavitation |
| C. | Microchipping |
| D. | None of the mentioned |
| Answer» B. Cavitation | |
| 3. |
What is the machinability rate of glass by USM? |
| A. | 25% |
| B. | 50% |
| C. | 75% |
| D. | 100% |
| Answer» E. | |
| 4. |
Which of the following are the features of tool affecting MRR in USM? |
| A. | Hardness |
| B. | Wearability |
| C. | Accuracy |
| D. | Mounting |
| Answer» E. | |
| 5. |
The rate of material removal depends on which of the following features? |
| A. | Frequency |
| B. | Static Pressure |
| C. | Machining area |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
When machining porous material, which type of mechanism is introduces? |
| A. | Abrasion |
| B. | Erosion |
| C. | Corrosion |
| D. | Vaporization |
| Answer» C. Corrosion | |
| 7. |
The following mechanisms, which one is dominant in material removal? |
| A. | Hammering |
| B. | Cavitation |
| C. | Microchipping |
| D. | None of the mentioned |
| Answer» B. Cavitation | |
| 8. |
What is the percentage of contribution of cavitation to the total material removed? |
| A. | <5% |
| B. | 5 – 10 % |
| C. | 10 – 20 % |
| D. | 20 – 50 % |
| Answer» B. 5 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10 % | |
| 9. |
By which of the following means, material is removed in USM? |
| A. | Mechanical abrasion |
| B. | Microchipping |
| C. | Cavitation |
| D. | All of the mentioned |
| Answer» E. | |