MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Which tempering process is used to increase the endurance and elastic limit of the material? |
| A. | Low-temperature tempering |
| B. | Medium temperature tempering |
| C. | High-temperature tempering |
| D. | Endurance limit cannot be increased |
| Answer» C. High-temperature tempering | |
| 2. |
Temper embrittlement occurs at a temperature __________ |
| A. | Below 0<sup>o</sup>C |
| B. | Above 250<sup>o</sup>C |
| C. | Above 575<sup>o</sup>C |
| D. | Above 1000<sup>o</sup>C |
| Answer» D. Above 1000<sup>o</sup>C | |
| 3. |
High temperature tempering develops a ________ structure. |
| A. | Non-lamellar |
| B. | Sorbite |
| C. | Tempered-troostite |
| D. | Pearlite |
| Answer» C. Tempered-troostite | |
| 4. |
Tempering that results in a reduction of toughness is known as __________ |
| A. | Caustic embrittlement |
| B. | Temper embrittlement |
| C. | End-temper |
| D. | Quench-temper embrittlement |
| Answer» C. End-temper | |
| 5. |
Medium temperature tempering develops a ________ structure. |
| A. | Non-lamellar |
| B. | Sorbite |
| C. | Tempered-troostite |
| D. | Bainite |
| Answer» D. Bainite | |