MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Which type of failure occurs due to cyclic loading? |
| A. | Plastic |
| B. | Creep |
| C. | Fatigue |
| D. | Ductile |
| Answer» D. Ductile | |
| 2. |
The stress at the cutting tool tip while machining porous parts is ________ |
| A. | cyclic |
| B. | non-cyclic |
| C. | constant |
| D. | linear |
| Answer» B. non-cyclic | |
| 3. |
Which of the following P/M part exhibit a short cutting tool life? |
| A. | Sintered |
| B. | Porous |
| C. | Dense |
| D. | Very dense |
| Answer» C. Dense | |
| 4. |
_________ of P/M parts is carried out to add holes, threads, undercuts, grooves. |
| A. | Joining |
| B. | Plating |
| C. | Machining |
| D. | Impregnation |
| Answer» D. Impregnation | |
| 5. |
Steam treatment is not applicable for ________ |
| A. | normalized parts |
| B. | hardened and tempered parts |
| C. | annealed parts |
| D. | stress relived parts |
| Answer» C. annealed parts | |
| 6. |
________ layer forms during steam treatment. |
| A. | Oxide |
| B. | Hydride |
| C. | Carbide |
| D. | Nitride |
| Answer» B. Hydride | |
| 7. |
What is the temperature range for steam treatment process? |
| A. | 600-700°C |
| B. | 350-400°C |
| C. | 500-550°C |
| D. | 400-470°C |
| Answer» D. 400-470°C | |
| 8. |
Which of the following process consists of heating the P/M part in air at temperature (200-250°C) and is not as effective as steam treatment? |
| A. | Low- temperature treatment |
| B. | Hot treatment |
| C. | Blowing |
| D. | Blueing |
| Answer» E. | |