MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Potassium hydroxide boils at what temperature? |
| A. | 1260 C |
| B. | 1320 C |
| C. | 1840 C |
| D. | 2560 C |
| Answer» C. 1840 C | |
| 2. |
Potassium hydroxide melts at what temperature? |
| A. | 260 C |
| B. | 360 C |
| C. | 460 C |
| D. | 560 C |
| Answer» C. 460 C | |
| 3. |
What is the formaldehyde level in phenolic ester in casting? |
| A. | Less than 0.2ppm |
| B. | Less than 0.3ppm |
| C. | Less than 0.4ppm |
| D. | Less than 0.5ppm |
| Answer» E. | |