MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For ECM, tool dimensions are different from the actual mirror dimensions of the part to be machined. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The tool in ECM should have which of the following properties? |
| A. | High machinability |
| B. | Lower corrosion rate |
| C. | High softness |
| D. | High conductive resistance |
| Answer» B. Lower corrosion rate | |
| 3. |
Tool used in ECM should have higher rigidity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is true about ECM process? |
| A. | Unable to machine high strength materials |
| B. | Excessive tool wear |
| C. | It gives burr free surface |
| D. | Surface hardness of the workpiece gets reduced |
| Answer» D. Surface hardness of the workpiece gets reduced | |
| 5. |
In ECM, shape of the cathode does not affect the shape of the machined product. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following materials can be used for making work holding devices? |
| A. | Steel |
| B. | Rubber |
| C. | Graphite fibres |
| D. | Wood |
| Answer» D. Wood | |
| 7. |
In ECM, material removal rate does not depend on chemical properties of the anode material. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following conditions are desirable for ECM? |
| A. | High value DC and low value electric potential |
| B. | Low value DC and high value electric potential |
| C. | High value DC and high value electric potential |
| D. | Low value DC and low value electric potential |
| Answer» B. Low value DC and high value electric potential | |
| 9. |
ECM process is based on which of the following laws? |
| A. | Coulomb’s law |
| B. | Faraday’s law |
| C. | Law of definite proportions |
| D. | Law of chemical combination |
| Answer» C. Law of definite proportions | |
| 10. |
Which of the following holds true about electro-chemical machining? |
| A. | Material is removed from the cathode and deposited on the anode |
| B. | Material is removed from the anode and carried away by the electrolyte |
| C. | Major drawback is that the finished product has residual stresses |
| D. | It can also be used for all non-metals |
| Answer» B. Material is removed from the anode and carried away by the electrolyte | |