MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During solidification, the interface temperature is independent to the magnitude of contact resistance. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Thermal contact resistance can be affected by impact or thermal parameters during the casting process. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
A thin water cooled mould always tends to make a casting of soft and ductile nature. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
DURING_SOLIDIFICATION,_THE_INTERFACE_TEMPERATURE_IS_INDEPENDENT_TO_THE_MAGNITUDE_OF_CONTACT_RESISTANCE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Thermal contact resistance can be affected by impact or thermal parameters during the casting process? |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following temperature ranges (in Kelvin) can start the re-melting of droplets of casting material? |
| A. | 400 – 450 |
| B. | 450 – 500 |
| C. | 500 – 600 |
| D. | 600 – 700 |
| Answer» E. | |
| 7. |
During solidification of casting material, the successive droplets of the material take a longer time to solidify than the first droplet. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
In any condition, the effects of superheat cannot be considered in the process of chilled castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The surface temperature of chilled casting is normally lower than the melting point of the metal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The analysis of heat flow is much easy in chilled casting process compared to the other type of castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
In the continuous casting line, the solidification or cooling rate is normally very high. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Rapid cooling of strand surfaces of casting is mainly done to increase casting speed and productivity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
A thin water cooled mould always tends to make casting of soft and ductile nature. |
| A. | True |
| B. | False |
| Answer» C. | |