MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Which type of damage is caused by deterioration which is caused by spark? |
| A. | Reparable |
| B. | Irreparable |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 2. |
State whether the following statement is true or false regarding the process control of ECM.“In Electrochemical machining, increase in unmanned machining hours reduces the possibility of integration of process with CAD/CAM systems.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The cost of additional control hardware remain a _________ fraction of total machining cost. |
| A. | Small |
| B. | Large |
| C. | Equal |
| D. | None of the mentioned |
| Answer» B. Large | |
| 4. |
Machining conditions leading to high accuracy are associated with ________ surface roughness and ________ productivity. |
| A. | Greater, greater |
| B. | Smaller, greater |
| C. | Greater, smaller |
| D. | Smaller, smaller |
| Answer» C. Greater, smaller | |
| 5. |
WHICH_TYPE_OF_DAMAGE_IS_CAUSED_BY_DETERIORATION_WHICH_IS_CAUSED_BY_SPARK??$ |
| A. | Reparable |
| B. | Irreparable |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 6. |
State whether following statement is true or false regarding the process control of ECM? |
| A. | |
| B. | True |
| Answer» C. | |
| 7. |
With an increase in unmanned machining hours, what happens to the efficiency of ECM? |
| A. | Increases |
| B. | Reduces |
| C. | Decreases |
| D. | Increase and then decrease |
| Answer» B. Reduces | |
| 8. |
The cost of additional control hardware remain a _____ fraction of total machining cost. |
| A. | Small |
| B. | Large |
| C. | Equal |
| D. | None of the mentioned |
| Answer» B. Large | |
| 9. |
What happens to the product cycle time, if the machining performance is improved? |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | None of the mentioned |
| Answer» C. Remains same | |
| 10. |
For large components, actual machining time constitutes to how much percentage of the total machining time? |
| A. | Very low |
| B. | Low |
| C. | Medium |
| D. | High |
| Answer» E. | |
| 11. |
Non stationary behaviour of ECM is due to, which of the factors below? |
| A. | Gas generation |
| B. | Heating |
| C. | Passivation |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
Machining conditions leading to high accuracy are associated with ____ surface roughness and ____ productivity. |
| A. | Greater, greater |
| B. | Smaller, greater |
| C. | Greater, smaller |
| D. | Smaller, smaller |
| Answer» C. Greater, smaller | |
| 13. |
Surface roughness depends on current density, which is affected by which of the following? |
| A. | Tool feed rate |
| B. | Gap voltage |
| C. | Work piece material |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
If there is a change in the selected machining conditions, it will have impact on which of the following? |
| A. | Process accuracy |
| B. | Surface finish |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |