MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
Removal of internal residual stresses at low temperatures is known as ________ |
| A. | Recrystallization |
| B. | Recovery |
| C. | Morphology |
| D. | Phase transformation |
| Answer» C. Morphology | |
| 2. |
Commercial annealing is another name for ____________ |
| A. | Process annealing |
| B. | Stress relief annealing |
| C. | Recrystallization annealing |
| D. | Spheroidise annealing |
| Answer» C. Recrystallization annealing | |
| 3. |
Subcritical annealing is another name for ____________ |
| A. | Process annealing |
| B. | Stress relief annealing |
| C. | Recrystallization annealing |
| D. | Spheroidise annealing |
| Answer» B. Stress relief annealing | |
| 4. |
What happens when internal residual stresses are not removed? |
| A. | Coarse structure |
| B. | Reduction of grain size |
| C. | Distortion |
| D. | Recrystallization |
| Answer» D. Recrystallization | |
| 5. |
Which among the following is not applicable to process annealing of steels? |
| A. | Low scaling |
| B. | Rapid |
| C. | Expensive |
| D. | Single phase morphology |
| Answer» D. Single phase morphology | |
| 6. |
For process annealing, the steel is heated at a temperature range of _________ |
| A. | 550-650<sup>o</sup>C |
| B. | 723-910<sup>o</sup>C |
| C. | 723-1138<sup>o</sup>C |
| D. | 750-800<sup>o</sup>C |
| Answer» B. 723-910<sup>o</sup>C | |
| 7. |
Process annealing is applied to which kind of materials? |
| A. | Steel castings |
| B. | Low carbon steels |
| C. | High carbon steels |
| D. | Medium carbon steels |
| Answer» C. High carbon steels | |