MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Powder Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The degree of sintering _______ with increasing time, though the effect is small in comparison to the effect of temperature. |
| A. | Unaffected |
| B. | Constant |
| C. | Decreases |
| D. | Increases |
| Answer» E. | |
| 2. |
________ sphericity and ________ macro or micro-surface roughness promote sintering. |
| A. | Decreasing, decreasing |
| B. | Increasing, decreasing |
| C. | Decreasing, increasing |
| D. | Increasing, increasing |
| Answer» D. Increasing, increasing | |
| 3. |
Heterogenous nature of powders improve sintering kinetics. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
A _______ in green density signifies a greater driving force for sintering. |
| A. | Maximum |
| B. | Sufficient |
| C. | Decrease |
| D. | Increase |
| Answer» D. Increase | |
| 5. |
________ particle size leads to increased sintering. |
| A. | Finer |
| B. | Coarse |
| C. | Medium |
| D. | Ultra-coarse |
| Answer» B. Coarse | |
| 6. |
Which of following is the correct set of material variables in sintering? |
| A. | Particle structure and sintering atmosphere |
| B. | Particle composition, particle shape, green density and sintering temperature |
| C. | Green density and sintering time |
| D. | Green density and particle size |
| Answer» E. | |