 
			 
			MCQOPTIONS
 Saved Bookmarks
				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. | State whether the following statement is true or false regarding the limitations of ECM.“In electrochemical machining, duplicating the tool is easier.” | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | State whether the following statement is true or false regarding the limitations of ECM.“In ECM, cleaning and oiling of work piece need not be done after machining.” | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 3. | Compared to other processes, machining is done at __________ voltages for high rates of material removal. | 
| A. | Low | 
| B. | Medium | 
| C. | High | 
| D. | very low | 
| Answer» D. very low | |
| 4. | HOW_ARE_MATERIAL_REMOVAL_RATES_OF_ECM,_WHEN_COMPARED_TO_THAT_OF_CONVENTIONAL_METHODS??$ | 
| A. | Slower | 
| B. | Faster | 
| C. | Same | 
| D. | None of the mentioned | 
| Answer» B. Faster | |
| 5. | Which of the following are the limitations of electro chemical machining?$ | 
| A. | Removal of hydrogen | 
| B. | Handling the electrolyte | 
| C. | Energy consumption | 
| D. | All of the mentioned | 
| Answer» E. | |
| 6. | Pumping of electrolyte through the narrow gaps causes, which type of forces on tool and work piece? | 
| A. | Large | 
| B. | Small | 
| C. | Negligible | 
| D. | No force | 
| Answer» B. Small | |
| 7. | Electro chemical machining process cannot produce which of the following mentioned below? | 
| A. | Drilled holes | 
| B. | Deburred edges | 
| C. | Sharp edges | 
| D. | All of the mentioned | 
| Answer» D. All of the mentioned | |
| 8. | State whether following statement is true or false regarding the limitations of ECM. | 
| A. | |
| B. | True | 
| Answer» C. | |
| 9. | How much amount of energy is consumed in Electro chemical machining? | 
| A. | Very small | 
| B. | Small | 
| C. | Medium | 
| D. | Large | 
| Answer» E. | |
| 10. | What are the requirements of labour for machining purpose in Electrochemical machining? | 
| A. | Low | 
| B. | Medium | 
| C. | High | 
| D. | Very high | 
| Answer» B. Medium | |
| 11. | Which of the following materials can be machined using ECM? | 
| A. | Hard nonconductive materials | 
| B. | Hard conductive materials | 
| C. | All nonconductive materials | 
| D. | None of the mentioned | 
| Answer» C. All nonconductive materials | |
| 12. | How much amount of thermal damage occurs to the work piece? | 
| A. | Small | 
| B. | Large | 
| C. | No thermal damage | 
| D. | Negligible amount | 
| Answer» D. Negligible amount | |
| 13. | Complicated profiles can be machined in how many operations in Electrochemical machining? | 
| A. | Single | 
| B. | Double | 
| C. | Triple | 
| D. | Multiple | 
| Answer» B. Double | |
| 14. | Very small dimensions, up to which value can be controlled using ECM? | 
| A. | 0.01 mm | 
| B. | 0.05 mm | 
| C. | 0.07 mm | 
| D. | 0.12 mm | 
| Answer» C. 0.07 mm | |
| 15. | Compared to other processes, machining is done at _____ voltages for high rates of material removal. | 
| A. | Low | 
| B. | Medium | 
| C. | High | 
| D. | very low | 
| Answer» D. very low | |
| 16. | How much amount of wear is present in the tool used in Electrochemical machining? | 
| A. | No wear | 
| B. | Low | 
| C. | Medium | 
| D. | High | 
| Answer» B. Low | |
| 17. | What fraction of tool will always be in contact with the work piece? | 
| A. | Half | 
| B. | Full | 
| C. | No contact | 
| D. | Quarter | 
| Answer» D. Quarter | |