MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Permeability of molding sand does not depend on which of the following factors? |
| A. | Grain distribution |
| B. | Degree of ramming |
| C. | Binder contents |
| D. | Amount of wax present |
| Answer» E. | |
| 2. |
Grain distribution is not determined by the Grain fineness test. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In a moisture content test, for how long should the sand in infrared heating bulb be heated? |
| A. | 1 2 minutes |
| B. | 2 3 minutes |
| C. | 3 4 minutes |
| D. | 4 5 minutes |
| Answer» C. 3 4 minutes | |
| 4. |
In a moisture content test, how is the prepared sand heated? |
| A. | Flame heating |
| B. | Ultraviolet heating |
| C. | Infrared heating |
| D. | Conduction heating |
| Answer» D. Conduction heating | |
| 5. |
In a moisture content test, what amount of prepared sand is placed on the pan? |
| A. | 10-40 grams |
| B. | 20-50 grams |
| C. | 30-60 grams |
| D. | 40-70 grams |
| Answer» C. 30-60 grams | |
| 6. |
High moisture causes what in molding sands? |
| A. | Increase in permeability |
| B. | Decrease in permeability |
| C. | Increase in hardness |
| D. | Increase in strength |
| Answer» C. Increase in hardness | |