MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Forming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In an HPF steel, the amount of manganese used is 3% by weight. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
In an inverse rate curve for steel, steel is heated uniformly. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
What is the amount of nitrogen used in HPF steel? |
| A. | Less than 0.03% |
| B. | Less than 0.02% |
| C. | Less than 0.04% |
| D. | Less than 0.05% |
| Answer» C. Less than 0.04% | |
| 4. |
What is the amount of boron used in HPF steel? |
| A. | Less than 0.003% |
| B. | Less than 0.007% |
| C. | Less than 0.009% |
| D. | Less than 0.057% |
| Answer» B. Less than 0.007% | |
| 5. |
What is the amount of silicon used in HPF steel? |
| A. | Less than 0.30% |
| B. | Less than 0.20% |
| C. | Less than 0.40% |
| D. | Less than 0.50% |
| Answer» E. | |
| 6. |
What is the Vickers hardness of steel after the HPF process? |
| A. | 362 Hv |
| B. | 462 Hv |
| C. | 562 Hv |
| D. | 662 Hv |
| Answer» C. 562 Hv | |
| 7. |
What is the Vicker s hardness of steel before the HPF process? |
| A. | 150 Hv |
| B. | 160 Hv |
| C. | 170 Hv |
| D. | 180 Hv |
| Answer» D. 180 Hv | |
| 8. |
HPF steel is normalized at what temperature? |
| A. | 800 C |
| B. | 900 C |
| C. | 1000 C |
| D. | 1100 C |
| Answer» C. 1000 C | |