MCQOPTIONS
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MCQOPTIONS
This section includes 15 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_ARE_THE_VALUES_OF_ENTRANCE_ANGLES_THAT_VARY_IN_LASER_DRILLING_PROCESS??$ |
| A. | 0.1 – 1 <sup>o</sup>C |
| B. | 1 – 5 <sup>o</sup>C |
| C. | 15 – 90 <sup>o</sup>C |
| D. | 90 – 150 <sup>o</sup>C |
| Answer» D. 90 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 150 <sup>o</sup>C | |
| 2. |
What is the depth-to-diameter ratio obtained in drilling process using Laser beam machining?$ |
| A. | 10:1 |
| B. | 20:1 |
| C. | 50:1 |
| D. | 80:1 |
| Answer» D. 80:1 | |
| 3. |
The taper obtained in Laser drilling process is how much of the hole diameter?$ |
| A. | 1 – 5% |
| B. | 5 – 20% |
| C. | 20 – 50% |
| D. | 50 – 90% |
| Answer» C. 20 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 50% | |
| 4. |
What is the value of minimum corner radius obtained by drilling in Laser beam machining? |
| A. | 0.10 mm |
| B. | 0.25 mm |
| C. | 0.50 mm |
| D. | 0.65 mm |
| Answer» C. 0.50 mm | |
| 5. |
What are the tolerance values obtained when we use laser drilling process? |
| A. | 0.1 – 5% |
| B. | 5 – 20% |
| C. | 25 – 50% |
| D. | 50 – 80% |
| Answer» C. 25 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 50% | |
| 6. |
What is the maximum value of drilling depth in trepanning method of laser drilling process? |
| A. | 1.7 mm |
| B. | 4.3 mm |
| C. | 6.4 mm |
| D. | 7.9 mm |
| Answer» D. 7.9 mm | |
| 7. |
What is the value the maximum optimum depth that can be machined using Laser drilling process? |
| A. | 0.17 mm |
| B. | 1.7 mm |
| C. | 17.1 mm |
| D. | 171.7 mm |
| Answer» C. 17.1 mm | |
| 8. |
What are the values of diameters obtained by using Laser drilling process? |
| A. | 0.0001 – 0.001 mm |
| B. | 0.001 – 0.01 mm |
| C. | 0.005 – 1.25 mm |
| D. | 1.5 – 10.5 mm |
| Answer» D. 1.5 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10.5 mm | |
| 9. |
Which method mentioned below is used for drilling of large size holes? |
| A. | Direct drilling |
| B. | Drill and ream |
| C. | Trepanning |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 10. |
The hole size in direct drilling depend up on which of the factors below? |
| A. | Input power |
| B. | Focusing adjustments |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
Which of the following are different laser drilling processes in Laser beam machining? |
| A. | Direct drilling |
| B. | Drill and ream |
| C. | Trepanning |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
Laser drilling has proven to be more efficient in which of the following factors? |
| A. | Cost |
| B. | Quality |
| C. | Reliability |
| D. | All of the mentioned |
| Answer» E. | |
| 13. |
Other non-conventional processes lay behind Laser beam machining in drilling process because of which factors below? |
| A. | High cost |
| B. | Long lead times |
| C. | Low machining speeds |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
State whether following statement is true or false regarding the drilling using LBM. |
| A. | |
| B. | True |
| Answer» C. | |
| 15. |
Which of the following are the applications of Laser Beam Machining? |
| A. | Drilling |
| B. | Cutting |
| C. | Texturing |
| D. | All of the mentioned |
| Answer» E. | |