MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 of the following electrolytes can be used for high speed polishing? |
| A. | Sodium chloride |
| B. | Sodium nitrate |
| C. | Sodium chloride & Sodium nitrate |
| D. | None of the mentioned |
| Answer» B. Sodium nitrate | |
| 2. |
Compared to conventional mechanical buffing Electro chemical buffing is a __________ |
| A. | Slower process |
| B. | Faster process |
| C. | Same speed process |
| D. | None of the mentioned |
| Answer» C. Same speed process | |
| 3. |
WHICH_OF_THE_FOLLOWING_ELECTROLYTES_CAN_BE_USED_FOR_HIGH_SPEED_POLISHING??$ |
| A. | Sodium chloride |
| B. | Sodium nitrate |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Sodium nitrate | |
| 4. |
Which of the following factors control the polishing speed in the process of ECB? |
| A. | Current density |
| B. | Electrolyte type |
| C. | Work piece material |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
What are the values of electrolyte flow rates used in ECB process? |
| A. | 1 – 10 L/min |
| B. | 10 – 100 L/min |
| C. | 100 – 1000 L/min |
| D. | 1000 – 10000 L/min |
| Answer» B. 10 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100 L/min | |
| 6. |
What are the values of contact pressures used in ECB process? |
| A. | 1 – 6 g |
| B. | 10 – 60 g |
| C. | 100 – 600 g |
| D. | 1000 – 6000 g |
| Answer» D. 1000 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 6000 g | |
| 7. |
What are the values of buffing speeds used in ECB process? |
| A. | 0.1 – 0.6 m/s |
| B. | 1 – 6 m/s |
| C. | 10 – 16 m/s |
| D. | 100 – 600 m/s |
| Answer» C. 10 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 16 m/s | |
| 8. |
What are the values of the current densities used in ECB process? |
| A. | 0.01 – 0.7 A/cm<sup>2</sup> |
| B. | 0.1 – 7 A/cm<sup>2</sup> |
| C. | 1 – 14 A/cm<sup>2</sup> |
| D. | 21 – 42 A/cm<sup>2</sup> |
| Answer» C. 1 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 14 A/cm<sup>2</sup> | |
| 9. |
What can be the concentration of Sodium chloride used in ECB? |
| A. | 0.1 – 0.5 g/L |
| B. | 1 – 5 g/L |
| C. | 10 – 50 g/L |
| D. | 100 – 500 g/L |
| Answer» E. | |
| 10. |
Which of the following electrolytes are used ECB process? |
| A. | Sodium chloride solution |
| B. | Sodium nitrate solution |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
Compared to conventional mechanical buffing Electro chemical buffing is a _____ |
| A. | Slower process |
| B. | Faster process |
| C. | Same speed process |
| D. | None of the mentioned |
| Answer» C. Same speed process | |
| 12. |
What is the full form of ECB in the advanced machining processes? |
| A. | Electro chemical buffing |
| B. | Electro chemical blasting |
| C. | Electron cluster blasting |
| D. | Electron cluster briefing |
| Answer» B. Electro chemical blasting | |