MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
Of the following, which ratio defines the etch factor? |
| A. | Etching depth to undercut |
| B. | Undercut to etching depth |
| C. | Undercut to mask area |
| D. | Mask area to undercut |
| Answer» C. Undercut to mask area | |
| 2. |
State whether the following statement about Chemical milling is true or false.“At higher temperatures, faster etching rates occur in Chemical milling.” |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In Chemical milling, excessive flow of chemical reagent results in which of the following defects? |
| A. | Channellings |
| B. | Grooves |
| C. | Ridges |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
Special coatings applied on work piece materials in order to protect them from chemical reaction are known as _________ |
| A. | Maskants |
| B. | Protective coverings |
| C. | Protective varnishing |
| D. | None of the mentioned |
| Answer» B. Protective coverings | |
| 5. |
IN_CHEMICAL_MILLING,_EXCESSIVE_FLOW_OF_CHEMICAL_REAGENT_RESULTS_IN_WHICH_OF_THE_FOLLOWING_DEFECTS??$ |
| A. | Channellings |
| B. | Grooves |
| C. | Ridges |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
Of the following, which ratio defines the etch factor?$ |
| A. | Etching depth to undercut |
| B. | Undercut to etching depth |
| C. | Undercut to mask area |
| D. | Mask area to undercut |
| Answer» C. Undercut to mask area | |
| 7. |
State whether the following statement about Chemical milling is true or false.$ |
| A. | |
| B. | True |
| Answer» B. True | |
| 8. |
CHM cannot eliminate which of the following defects? |
| A. | Irregularities and dents |
| B. | Surface scratches |
| C. | Waviness |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
What is the range of reagent temperatures used for chemical dissolution in CHM? |
| A. | 12ᵒC to 35ᵒC |
| B. | 37ᵒC to 85ᵒC |
| C. | 90ᵒC to 101ᵒC |
| D. | 121ᵒC to 142ᵒC |
| Answer» C. 90¬¨‚à묨¬µ‚àö‚â†C to 101¬¨‚à묨¬µ‚àö‚â†C | |
| 10. |
During Chemical milling, depth of etch is controlled by which factor of immersion? |
| A. | Time |
| B. | Mask method |
| C. | Mask area |
| D. | None of the mentioned |
| Answer» B. Mask method | |
| 11. |
Type of mask depends on which of the factor/s, given below? |
| A. | Size of work piece |
| B. | Number of parts |
| C. | Desired resolution |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
Special coatings applied on work piece materials in order to protect them from chemical reaction are known as? |
| A. | Maskants |
| B. | Protective coverings |
| C. | Protective varnishing |
| D. | None of the mentioned |
| Answer» B. Protective coverings | |
| 13. |
Pre cleaning is done on the work piece surface in order to achieve, which of the following factors? |
| A. | To provide good adhesion |
| B. | To provide clean surface |
| C. | To assure absence of contaminants |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
By using Chemical machining, which of the following can be produced? |
| A. | Pockets |
| B. | Contours |
| C. | Slots |
| D. | All of the mentioned |
| Answer» E. | |
| 15. |
Which of the following solutions cannot be used as chemical reactive solution in CHM? |
| A. | Acidic solution |
| B. | Alkaline solution |
| C. | Neutral solution |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 16. |
Of the following, which mechanism is used for the removal of material using Chemical milling process? |
| A. | Material Vaporization |
| B. | Chemical dissolution |
| C. | Mechanical erosion |
| D. | Mechanical abrasion |
| Answer» C. Mechanical erosion | |
| 17. |
In advanced machining processes, what is the full form of CHM? |
| A. | Chemical machining |
| B. | Chemical manufacturing |
| C. | Chemical milling |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |