MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Isothermal annealing is primarily used for _____ |
| A. | high carbon steels |
| B. | low carbon steels |
| C. | aluminium alloy |
| D. | hastelloy |
| Answer» B. low carbon steels | |
| 2. |
Isothermal annealing requires less time than that for full annealing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Iso thermal annealing is done in _____ steps. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |
| 4. |
The full annealing is used to _____ |
| A. | increase the hardness |
| B. | to decrease ductility |
| C. | to refine the grain structure |
| D. | to decrease machinability |
| Answer» D. to decrease machinability | |
| 5. |
In the final stage of full annealing, a steel component is cooled _____ |
| A. | rapidly using jet of water |
| B. | using blast of liquid which a mixture of water and some anti-corrosion powder |
| C. | slowly in the furnace |
| D. | slowly in air |
| Answer» D. slowly in air | |
| 6. |
During full annealing of steel, the component needs to be held above lower or higher critical temperature for _____ per cm of the thickness. |
| A. | 5 min |
| B. | 13 min |
| C. | 20 min |
| D. | 25 min |
| Answer» D. 25 min | |
| 7. |
In case of full annealing of hypo-eutectoid steels, it is heated to a temperature _____ |
| A. | above upper critical temperature |
| B. | above lower critical temperature |
| C. | to a critical temperature |
| D. | recrystallization temperature |
| Answer» B. above lower critical temperature | |
| 8. |
How many types of annealing are there? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 9. |
Depending upon the ______ under which it is performed, annealing eliminates chemical or physical non-homogeneity. |
| A. | humidity conditions |
| B. | temperature conditions |
| C. | time |
| D. | weight of the component |
| Answer» C. time | |
| 10. |
For which of the following purposes, annealing is not done? |
| A. | Homogenization |
| B. | Recrystallization |
| C. | Stress relieving |
| D. | Decreasing brittleness |
| Answer» E. | |