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. |
State whether the following statement is true or false regarding ECJD?“In ECJD, there is no need of room for exit of electrolyte.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What are the values of tapers produced in Electrochemical jet drilling process? |
| A. | 1 to 2 included angles |
| B. | 5 to 10 included angles |
| C. | 10 to 15 included angles |
| D. | 20 to 30 included angles |
| Answer» C. 10 to 15 included angles | |
| 3. |
What is the value of the ratio of hole diameter to capillary diameter in ECJD? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» B. 4 | |
| 4. |
State whether the following statement is true or false regarding ECJD.“In ECJD, diameter of hole produced, depend up on the throwing power of electrolyte.” |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Compared to the diameter to depth ratio of ES drilling, how is ECJD’s ratio? |
| A. | Lower |
| B. | Higher |
| C. | Same as ES |
| D. | None of the mentioned |
| Answer» B. Higher | |
| 6. |
WHAT_IS_THE_VALUE_OF_THE_RATIO_OF_HOLE_DIAMETER_TO_CAPILLARY_DIAMETER_IN_ECJD??$ |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» B. 4 | |
| 7. |
What are the values of tapers produced in Electrochemical jet drilling process?$ |
| A. | 1 to 2 included angles |
| B. | 5 to 10 included angles |
| C. | 10 to 15 included angles |
| D. | 20 to 30 included angles |
| Answer» C. 10 to 15 included angles | |
| 8. |
How much part of tool needs to be in contact with work piece for removal of material? |
| A. | Quarter |
| B. | Half |
| C. | Full |
| D. | No contact |
| Answer» E. | |
| 9. |
Compared to the diameter of the electrolyte jet, how are the produced hole diameters? |
| A. | 2 times |
| B. | 3 times |
| C. | 4 times |
| D. | 5 times |
| Answer» D. 5 times | |
| 10. |
State whether following statement is true or false regarding ECJD. |
| A. | |
| B. | True |
| Answer» B. True | |
| 11. |
The lower limit of the hole size in ECJD, is determined by which of the following factors? |
| A. | Smallest hole |
| B. | Pressure required |
| C. | Amount of overcut |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
What are the values of voltages used in Electrochemical jet drilling process? |
| A. | 100 to 200 V |
| B. | 200 to 400 V |
| C. | 400 to 800 V |
| D. | 800 to 1600 V |
| Answer» D. 800 to 1600 V | |
| 13. |
What is the material removal mechanism used in Electrochemical jet drilling? |
| A. | Abrasion |
| B. | Dissolution |
| C. | Vaporization |
| D. | Erosion |
| Answer» C. Vaporization | |
| 14. |
How is the material removed in Electrochemical jet drilling process? |
| A. | Using Platinum wire |
| B. | Using Ti coated electrode |
| C. | By spraying electrolyte |
| D. | Using glass nozzle |
| Answer» D. Using glass nozzle | |
| 15. |
Compared to the diameter to depth ratio of ES drilling, how is ECJD’s ratio?$ |
| A. | Lower |
| B. | Higher |
| C. | Same as ES |
| D. | None of the mentioned |
| Answer» B. Higher | |
| 16. |
What is the value of diameter-to-depth ratio obtained using ECJD process? |
| A. | 1:10 |
| B. | 2:25 |
| C. | 1:12 |
| D. | 1:100 |
| Answer» D. 1:100 | |
| 17. |
In advanced machining processes, what is the full form of ECJD? |
| A. | Electrochemical Jet Dimensioning |
| B. | Electrochemical Jet Drilling |
| C. | Electrical Jet Drilling |
| D. | Electrical Jet Dimensioning |
| Answer» C. Electrical Jet Drilling | |