MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An aluminium alloy casting with 9.8% Cu, 1.0% Fe and 0.25% Mg |
| A. | Alloy 2585 |
| B. | Alloy 3586 |
| C. | Alloy 2686 |
| D. | Alloy 3584 |
| Answer» B. Alloy 3586 | |
| 2. |
In alloy 4450, 4 represents? |
| A. | Silicon |
| B. | Aluminium |
| C. | Manganese |
| D. | Zinc |
| Answer» B. Aluminium | |
| 3. |
IN_ALLOY_4450,_4_REPRESENTS??$ |
| A. | Silicon |
| B. | Aluminium |
| C. | Manganese |
| D. | Zinc |
| Answer» B. Aluminium | |
| 4. |
An_aluminium_alloy_casting_with_9.8%_Cu,_1.0%_Fe_and_0.25%_Mg$ |
| A. | Alloy 2585 |
| B. | Alloy 3586 |
| C. | Alloy 2686 |
| D. | Alloy 3584 |
| Answer» B. Alloy 3586 | |
| 5. |
In alloy 4450, 2nd digit represents? |
| A. | average percentage of major alloying elements, halved and rounded off |
| B. | average percentage of major alloying elements |
| C. | average percentage of minor alloying elements, halved and doubled |
| D. | average percentage of minor alloying elements |
| Answer» B. average percentage of major alloying elements | |
| 6. |
Poor fluidity and contraction are compulsory to be taken into consideration while designing a cast steel product. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Is it possible to completely relieve the residual stresses in a cast steel product? |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following are true for aluminium |
| A. | Low specific gravity |
| B. | Corrosion resistance |
| C. | High thermal conductivity |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
Which of the following statement is true |
| A. | Cast aluminium alloys are specified by a four digit system while wrought alloys by a five digit system |
| B. | Cast aluminium alloys are specified by a five digit system while wrought alloys by a four digit system |
| C. | Cast aluminium alloys are specified by a six digit system while wrought alloys by a five digit system |
| D. | Cast aluminium alloys are specified by a five digit system while wrought alloys by a six digit system |
| Answer» B. Cast aluminium alloys are specified by a five digit system while wrought alloys by a four digit system | |
| 10. |
Relative density of aluminium is roughly _______ of steel |
| A. | one-third |
| B. | one-fifth |
| C. | one-tenth |
| D. | equal |
| Answer» B. one-fifth | |
| 11. |
During solidification, cast steel shrinks to quite a great extent |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Cast steel components do not exhibit the effect of directionality on mechanical properties. |
| A. | True |
| B. | False |
| Answer» B. False | |