MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cupola operation is inexpensive. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Close temperature control is easy to maintain in the cupola. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
What should be the highest sulphur pick-up in the acid-cupola reaction? |
| A. | 90% |
| B. | 63% |
| C. | 68% |
| D. | 51% |
| Answer» B. 63% | |
| 4. |
CLOSE_TEMPERATURE_CONTROL_IS_EASY_TO_MAINTAIN_IN_CUPOLA.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Cupola operation is inexpensive.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
What should be the lowest sulphur pick-up in the acid-cupola reaction? |
| A. | 10% |
| B. | 13% |
| C. | 18% |
| D. | 21% |
| Answer» B. 13% | |
| 7. |
The sulphur content in acid-cupola operation does not depend on which of the following factors? |
| A. | Quantity of coke |
| B. | Slag basicity |
| C. | Tensile strength of the steel |
| D. | Quantity of steel |
| Answer» D. Quantity of steel | |
| 8. |
What is the tensile strength of grade 220 iron? |
| A. | 220 Dyne/mm<sup>2</sup> |
| B. | 220 N/m<sup>2</sup> |
| C. | 220 N/mm<sup>2</sup> |
| D. | 220 Dyne/cm<sup>2</sup> |
| Answer» D. 220 Dyne/cm<sup>2</sup> | |
| 9. |
According to the UK standards, in general, what is the diameter of the iron bar which is used in iron castings? |
| A. | 18mm |
| B. | 12mm |
| C. | 30mm |
| D. | 43mm |
| Answer» D. 43mm | |
| 10. |
What is the main source of high carbon steel material? |
| A. | Pig iron |
| B. | Cast iron |
| C. | White iron |
| D. | Steel scrap |
| Answer» B. Cast iron | |
| 11. |
How much steel scrap is present in refined irons? |
| A. | More than 25% |
| B. | More than 60% |
| C. | More than 50% |
| D. | More than 95% |
| Answer» D. More than 95% | |
| 12. |
What is the amount of pig iron in a cupola charge? |
| A. | 10% – 20% |
| B. | 10% – 30% |
| C. | 30% – 40% |
| D. | 20% – 45% |
| Answer» C. 30% ‚Äö√Ñ√∂‚àö√ë‚àö¬® 40% | |