MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials and Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Liquid carburizing temperature range lies between ________ |
| A. | 120-250<sup>o</sup>C |
| B. | 300-375<sup>o</sup>C |
| C. | 425-660<sup>o</sup>C |
| D. | 870-950<sup>o</sup>C |
| Answer» E. | |
| 2. |
The molten baths used in liquid carburizing are composed of _________ |
| A. | 20-50% sodium cyanide, 40% sodium carbonate |
| B. | 40% sodium cyanide, 20-50% sodium carbonate |
| C. | 10% sodium cyanide, 20% sodium carbonate |
| D. | 20% sodium cyanide, 10% sodium carbonate |
| Answer» B. 40% sodium cyanide, 20-50% sodium carbonate | |
| 3. |
Gas carburizing differs from pack carburizing due to the use of ________ |
| A. | Silicon-providing gas |
| B. | Mercury-providing gas |
| C. | Carbon-providing gas |
| D. | Argon |
| Answer» D. Argon | |
| 4. |
Prevention of carburizing of components can be done by ___________ |
| A. | Adding filler |
| B. | Electroplating |
| C. | Cold working |
| D. | Adding water |
| Answer» C. Cold working | |