MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Sulphur is present in coke. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
During metallurgical control, what is the amount of manganese that is lost? |
| A. | 5% |
| B. | 10% |
| C. | 15% |
| D. | 20% |
| Answer» D. 20% | |
| 3. |
Carbon picks up can be of what order? |
| A. | 10% |
| B. | 15% |
| C. | 20% |
| D. | 25% |
| Answer» C. 20% | |
| 4. |
In the iron-iron carbide diagram, what is the carbon percentage by weight in the peritectic region? |
| A. | 0.8% |
| B. | 0.18% |
| C. | 4.3% |
| D. | 6.67% |
| Answer» C. 4.3% | |
| 5. |
At what temperature, in the Fe-Fe3C diagram, does the peritectic region occur? |
| A. | 1400 C |
| B. | 1423 C |
| C. | 1492 C |
| D. | 1539 C |
| Answer» D. 1539 C | |
| 6. |
In the iron-iron carbide diagram, what is the carbon percentage by weight at eutectoid point? |
| A. | 0.8% |
| B. | 0.18% |
| C. | 4.3% |
| D. | 6.67% |
| Answer» B. 0.18% | |
| 7. |
In the iron-iron carbide diagram, what is the carbon percentage by weight at eutectic point? |
| A. | 0.8% |
| B. | 3% |
| C. | 4.3% |
| D. | 6.67% |
| Answer» D. 6.67% | |
| 8. |
Carbon pickup does not depend on which of the following factors? |
| A. | Size of coke |
| B. | Height of coke bed |
| C. | Cupola temperature |
| D. | Cupola diameter |
| Answer» E. | |
| 9. |
What volume of oxygen is required for burning 1 kg of carbon? |
| A. | 7.67 m<sup>3</sup> |
| B. | 9.89 m<sup>3</sup> |
| C. | 8.98 m<sup>3</sup> |
| D. | 6.67 m<sup>3</sup> |
| Answer» D. 6.67 m<sup>3</sup> | |
| 10. |
What mass of oxygen is required for burning 1 kg of iron? |
| A. | 1.12 kg |
| B. | 2.67 kg |
| C. | 2.35 kg |
| D. | 1.92 kg |
| Answer» C. 2.35 kg | |