MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Epoxy acrylate requires SO2 for curing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is not a casting performance of phenolic urethane cores? |
| A. | Moderate hot strength |
| B. | Good hardenability |
| C. | Surface finish |
| D. | Low nitrogen level |
| Answer» C. Surface finish | |
| 3. |
The novalak acid system needs what temperature conditions? |
| A. | 15 C 25 C |
| B. | 25 C 35 C |
| C. | 35 C 45 C |
| D. | 45 C 55 C |
| Answer» D. 45 C 55 C | |
| 4. |
Which of the following is produced by Novalak acid system? |
| A. | Ketone |
| B. | Carboxylic acid |
| C. | Ester |
| D. | Aldehyde |
| Answer» E. | |