

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 | |