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. |
What are the current density values that are used in ECH process? |
| A. | 165 A/cm2 |
| B. | 235 A/cm2 |
| C. | 385 A/cm2 |
| D. | 465 A/cm2 |
| Answer» E. | |
| 2. |
ECH has __________ material removal rates than conventional honing or the internal cylindrical grinding. |
| A. | Lower |
| B. | Higher |
| C. | Same |
| D. | All of the mentioned |
| Answer» C. Same | |
| 3. |
WHAT_ARE_THE_CURRENT_DENSITY_VALUES_THAT_ARE_USED_IN_ECH_PROCESS??$ |
| A. | 165 A/cm<sup>2</sup> |
| B. | 235 A/cm<sup>2</sup> |
| C. | 385 A/cm<sup>2</sup> |
| D. | 465 A/cm<sup>2</sup> |
| Answer» E. | |
| 4. |
What are the voltage values used in the process of ECH? |
| A. | 0.1 to 1 V |
| B. | 1 to 5 V |
| C. | 6 to 30 V |
| D. | 40 to 80 V |
| Answer» D. 40 to 80 V | |
| 5. |
What is the flow rate of the electrolytic solution used in ECH process? |
| A. | 85 L/min |
| B. | 95 L/min |
| C. | 105 L/min |
| D. | 115 L/min |
| Answer» C. 105 L/min | |
| 6. |
What is the value of pressure of the electrolytic solution in ECH process? |
| A. | 1 kPa |
| B. | 10 kPa |
| C. | 100 kPa |
| D. | 1000 kPa |
| Answer» E. | |
| 7. |
What is the value of electrolytic temperature maintained in ECH? |
| A. | 18 ᵒC |
| B. | 28 ᵒC |
| C. | 38 ᵒC |
| D. | 48 ᵒC |
| Answer» D. 48 ¬¨‚à묨¬µ‚àö‚â†C | |
| 8. |
Which of the following electrolytes is used for ECH process? |
| A. | Sodium chloride |
| B. | Sodium nitrate |
| C. | Hydrochloric acid |
| D. | Sulphuric acid |
| Answer» C. Hydrochloric acid | |
| 9. |
Majority of the material is removed in which phase of ECH? |
| A. | Electro chemical dissolution |
| B. | Mechanical abrasion |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Mechanical abrasion | |
| 10. |
ECH has _____ material removal rates than conventional honing or the internal cylindrical grinding. |
| A. | Lower |
| B. | Higher |
| C. | Same |
| D. | All of the mentioned |
| Answer» C. Same | |
| 11. |
Which of the following mechanisms are used in the hybrid machining of ECH? |
| A. | Electro chemical dissolution |
| B. | Mechanical abrasion |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 12. |
What is the full form of ECH in the advanced machining processes? |
| A. | Electro chemical honing |
| B. | Electro chemical hammering |
| C. | Electro chlorinated hammering |
| D. | Electro chlorinated honing |
| Answer» B. Electro chemical hammering | |