MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
What is the value of beam diameter that is obtained in IBM? |
| A. | 1 cm |
| B. | 3 cm |
| C. | 5 cm |
| D. | 7 cm |
| Answer» D. 7 cm | |
| 2. |
Number of atoms yielded in oblique cutting is __________ normal incidence. |
| A. | Greater than |
| B. | Lesser than |
| C. | Same as |
| D. | None of the mentioned |
| Answer» B. Lesser than | |
| 3. |
State whether the following statement is true or false regarding IBM.“In IBM, vacuum chamber is not necessary unlike that of Electron beam machining.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
WHAT_IS_THE_VALUE_OF_BEAM_DIAMETER_THAT_IS_OBTAINED_IN_IBM??$ |
| A. | 1 cm |
| B. | 3 cm |
| C. | 5 cm |
| D. | 7 cm |
| Answer» D. 7 cm | |
| 5. |
What are the values of current densities required in IBM? |
| A. | 0.25 mA/cm<sup>2</sup> |
| B. | 0.35 mA/cm<sup>2</sup> |
| C. | 0.55 mA/cm<sup>2</sup> |
| D. | 0.85 mA/cm<sup>2</sup> |
| Answer» E. | |
| 6. |
What is the value of voltage required for machining in Ion beam machining? |
| A. | 1 kV |
| B. | 2 kV |
| C. | 3 kV |
| D. | 4 kV |
| Answer» B. 2 kV | |
| 7. |
Machining rates in IBM depend on which of the following factors? |
| A. | Work piece material |
| B. | Ions type |
| C. | Incident angle |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
How much amount of energy is required for effective removal of atoms? |
| A. | 1 to 5 eV |
| B. | 5 to 10 eV |
| C. | 10 to 15 eV |
| D. | 15 to 20 eV |
| Answer» C. 10 to 15 eV | |
| 9. |
Number of atoms yielded in oblique cutting is _____ normal incidence. |
| A. | Greater than |
| B. | Lesser than |
| C. | Same as |
| D. | None of the mentioned |
| Answer» B. Lesser than | |
| 10. |
How does the ions strike the work piece in machining using IBM? |
| A. | Oblique striking |
| B. | Normal incident striking |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
Which of the following are the components of Ion beam machining? |
| A. | Vacuum chamber |
| B. | Voltage source |
| C. | Tungsten filament cathode |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
State whether following statement is true or false regarding IBM. |
| A. | |
| B. | True |
| Answer» C. | |
| 13. |
What is the full form of IBM in the advanced machining processes? |
| A. | Ion Beam Machining |
| B. | Ion Beam Manufacturing |
| C. | Ion Blast Machining |
| D. | Ion Blast Manufacturing |
| Answer» B. Ion Beam Manufacturing | |