MCQOPTIONS
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MCQOPTIONS
This section includes 19 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. |
State whether the following statement is true or false about etching rates.“As the etching rate increases, low surface roughness values occur.” |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
For harder materials, which of the following etching rates are obtained? |
| A. | Very low |
| B. | Low |
| C. | Medium |
| D. | High |
| Answer» E. | |
| 3. |
For softer materials, which type of etching rates are obtained? |
| A. | Very low |
| B. | Low |
| C. | Medium |
| D. | High |
| Answer» C. Medium | |
| 4. |
Which of the following materials have the highest machining rate and best surface quality? |
| A. | Rolled metal sheets |
| B. | Thick metal plates |
| C. | Polymeric plates |
| D. | Plastic sheets |
| Answer» B. Thick metal plates | |
| 5. |
State whether the following statement is true or false regarding MRR.“The rate of material removal, does not depend on uniformity of the solution temperature.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
State whether the following statement is true or false about Chemical milling.“Maskants, applied on work pieces, are not responsible for CHM process.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
WHICH_OF_THE_FOLLOWING_MATERIALS_HAVE_THE_HIGHEST_MACHINING_RATE_AND_BEST_SURFACE_QUALITY??$ |
| A. | Rolled metal sheets |
| B. | Thick metal plates |
| C. | Polymeric plates |
| D. | Plastic sheets |
| Answer» B. Thick metal plates | |
| 8. |
For harder materials, which of the following etching rates are obtained?$ |
| A. | Very low |
| B. | Low |
| C. | Medium |
| D. | High |
| Answer» E. | |
| 9. |
For softer materials, which type of etching rates are obtained?$ |
| A. | Very low |
| B. | Low |
| C. | Medium |
| D. | High |
| Answer» C. Medium | |
| 10. |
State whether following statement is true or false about etching rates. |
| A. | |
| B. | True |
| Answer» B. True | |
| 11. |
Castings having a larger grain size, will show how much surface roughness value? |
| A. | Very low |
| B. | Low |
| C. | Medium |
| D. | High |
| Answer» E. | |
| 12. |
On which of the following factors, MRR will not be depend on? |
| A. | Chemical uniformity |
| B. | Metallurgical uniformity |
| C. | Frequency uniformity |
| D. | Temperature uniformity |
| Answer» D. Temperature uniformity | |
| 13. |
State whether following statement is true or false regarding MRR. |
| A. | |
| B. | True |
| Answer» C. | |
| 14. |
Which of the following, are the general materials used for maskant application? |
| A. | Neoprene |
| B. | Poly vinyl chloride |
| C. | Polyethylene |
| D. | All of the mentioned |
| Answer» E. | |
| 15. |
Thickness of the maskant coating ranges between which of the following values? |
| A. | 0.0025 – 0.013 mm |
| B. | 0.025 – 0.13 mm |
| C. | 0.25 – 1.3 mm |
| D. | 2.5 – 13 mm |
| Answer» C. 0.25 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 1.3 mm | |
| 16. |
The process parameters will have direct impact on which of the following factors? |
| A. | Etch factor |
| B. | Machining rate |
| C. | Production tolerance |
| D. | All of the mentioned |
| Answer» E. | |
| 17. |
To machine high quality parts using CHM, which of the following need not be necessary? |
| A. | Heat treatment of work piece |
| B. | Grain size of work piece |
| C. | Frequency of vibrations |
| D. | Range of work pieces |
| Answer» D. Range of work pieces | |
| 18. |
State whether the following statement is true or false about Chemical milling. |
| A. | |
| B. | True |
| Answer» C. | |
| 19. |
Which of the following come under process parameters of Chemical milling? |
| A. | Reagent type |
| B. | Concentration |
| C. | Operating temperature |
| D. | All of the mentioned |
| Answer» E. | |