MCQOPTIONS
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MCQOPTIONS
This section includes 14 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 process parameters of EP.“In EP, high current densities are used for anodic dissolution.” |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
In the following types of voltage, which one best suites EP process? |
| A. | Randomly Fluctuating |
| B. | Constant |
| C. | Periodically fluctuating |
| D. | None of the mentioned |
| Answer» C. Periodically fluctuating | |
| 3. |
State whether the following statement is true or false regarding process parameters of EP.“In EP, process parameters have a direct impact on surface quality and productivity of process.” |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
What is the electrolytic solution’s temperature when stainless steel is machined? |
| A. | 50o C |
| B. | 80o C |
| C. | 120o C |
| D. | 150o C |
| Answer» C. 120o C | |
| 5. |
STATE_WHETHER_FOLLOWING_STATEMENT_IS_TRUE_OR_FALSE_REGARDING_PROCESS_PARAMETERS_OF_EP.?$ |
| A. | |
| B. | True |
| Answer» C. | |
| 6. |
Of the following types of voltage, which one best suites EP process? |
| A. | Randomly Fluctuating |
| B. | Constant |
| C. | Periodically fluctuating |
| D. | None of the mentioned |
| Answer» C. Periodically fluctuating | |
| 7. |
For machining of Cu material which of the following can be used as electrolytes? |
| A. | H<sub>2</sub>PO<sub>4</sub> |
| B. | H<sub>2</sub>PO<sub>4</sub> and Na<sub>2</sub>CrO<sub>4</sub> |
| C. | HCLO<sub>4</sub> |
| D. | HNO<sub>3</sub> |
| Answer» B. H<sub>2</sub>PO<sub>4</sub> and Na<sub>2</sub>CrO<sub>4</sub> | |
| 8. |
State whether following statement is true or false regarding process parameters of EP. |
| A. | |
| B. | True |
| Answer» B. True | |
| 9. |
What is the electrolytic solution’s temperature when stainless steel is machined?$ |
| A. | 50<sup>o</sup> C |
| B. | 80<sup>o</sup> C |
| C. | 120<sup>o</sup> C |
| D. | 150<sup>o</sup> C |
| Answer» C. 120<sup>o</sup> C | |
| 10. |
Which of the following electrolyte, can be used commonly for stainless steel, Cu, Ni and Mg? |
| A. | HCLO<sub>4</sub> |
| B. | H<sub>2</sub>PO<sub>4</sub> |
| C. | H<sub>2</sub>SO<sub>4</sub> |
| D. | HNO<sub>3</sub> |
| Answer» C. H<sub>2</sub>SO<sub>4</sub> | |
| 11. |
Which of the following are the work piece materials that can be machined using Electropolishing? |
| A. | Carbon steel |
| B. | Alpha brass |
| C. | Phosphor bronze |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
Current density of the EP process generally varies between which of the following values? |
| A. | 0.0001 – 0.001 A/cm<sup>2</sup> |
| B. | 0.005 – 1.8 A/cm<sup>2</sup> |
| C. | 1.9 – 2.532 A/cm<sup>2</sup> |
| D. | 3.523 – 4.23 A/cm<sup>2</sup> |
| Answer» C. 1.9 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2.532 A/cm<sup>2</sup> | |
| 13. |
Which of the following come under the process parameters of the Electropolishing? |
| A. | Work piece material and condition |
| B. | Current density |
| C. | Applied voltage |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
Of the following material removal mechanisms, material is removed by which one in EP? |
| A. | Electrode dissolution |
| B. | Corrosion |
| C. | Abrasion |
| D. | Erosion |
| Answer» B. Corrosion | |