MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 environmental impacts of ECM.“In ECM, accumulation of toxic compounds is due to nitrate reduction at tool cathode.” |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
State whether following statement is true or false regarding the environmental impacts of ECM. |
| A. | |
| B. | True |
| Answer» B. True | |
| 3. |
What should be done to the electrolyte with solid matter? |
| A. | Can be reused |
| B. | Disposed off |
| C. | No disposing is necessary |
| D. | All of the mentioned |
| Answer» C. No disposing is necessary | |
| 4. |
Slurries mixing with toxic compounds produce, which of the following? |
| A. | Solid precipitates |
| B. | Liquid solutions |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Liquid solutions | |
| 5. |
Dissolution of metal containing chrome results in which of the toxic compounds? |
| A. | Toxic chromate |
| B. | Ammonia |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
During deburring and die sinking which of the following electrolyte gives high surface quality and accuracy? |
| A. | NaNO<sub>3</sub> |
| B. | HNO<sub>3</sub> |
| C. | NaCl |
| D. | All of the mentioned |
| Answer» B. HNO<sub>3</sub> | |
| 7. |
Which of the following parts of the body can be contaminated while using ECM? |
| A. | Skin |
| B. | Eyes |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
Which of the following are some of the bad impacts on environment while using ECM? |
| A. | Electrolyte splashing |
| B. | Toxic gases release |
| C. | Precipitation of solid matters |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
If electro chemical machining is applied under appropriate conditions, how much amount of health dangers can occur? |
| A. | Small amount |
| B. | Limited amount |
| C. | Large amount |
| D. | Very large amount |
| Answer» C. Large amount | |