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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 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 | |
2. |
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 – 50% | |
3. |
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 | |
4. |
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 | |
5. |
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 – 50% | |
6. |
What are the values of entrance angles that vary in Laser drilling process? |
A. | 0.1 – 1 oC |
B. | 1 – 5 oC |
C. | 15 – 90 oC |
D. | 90 – 150 oC |
Answer» D. 90 – 150 oC | |
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 – 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. | Input power & Focusing adjustments |
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 the following statement is true or false regarding the drilling using LBM.“Compared to LBM, conventional machining is more accurate and efficient.” |
A. | True |
B. | False |
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. | |