MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Which of the following are true for die casting alloys? |
| A. | this process consists of forcing the molten metal into a closed metal die |
| B. | process used for a metal with low melting point |
| C. | surface finish is excellent |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
Monel metal is a copper nickel alloy of __% nickel and __%copper. |
| A. | 32,65 |
| B. | 65,32 |
| C. | 20,80 |
| D. | 80,20 |
| Answer» C. 20,80 | |
| 3. |
WHICH_OF_THE_FOLLOWING_ARE_TRUE_FOR_DIE_CASTING_ALLOYS??$ |
| A. | this process consists of forcing the molten metal into a closed metal die |
| B. | process used for a metal with low melting point |
| C. | surface finish is excellent |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
Monel metal is a copper nickel alloy of __% nickel and __%copper? |
| A. | 32,65 |
| B. | 65,32 |
| C. | 20,80 |
| D. | 80,20 |
| Answer» C. 20,80 | |
| 5. |
Gunnmetal is an alloy of copper which __ % tin and __% zinc. |
| A. | 10,2 |
| B. | 2,10 |
| C. | 4,5 |
| D. | 5,4 |
| Answer» B. 2,10 | |
| 6. |
Which of the following statements for phosphorus bronze is true? |
| A. | contains 0.2% phosphorus |
| B. | phosphorus increases tensile strength |
| C. | use for worm wheels and bearings |
| D. | all of the mentioned |
| Answer» E. | |
| 7. |
Which of the following are true for aluminium bronze |
| A. | contain 5-10% aluminium |
| B. | excellent corrosion and is also called imitation gold |
| C. | difficult to cast |
| D. | all of the mentioned |
| Answer» E. | |
| 8. |
As the amount of zinc increases |
| A. | strength of brass increases and ductility decrease |
| B. | strength of brass increases and ductility increase |
| C. | strength of brass decreases and ductility increases |
| D. | strength of brass decreases and ductility decreases |
| Answer» B. strength of brass increases and ductility increase | |
| 9. |
Which of the following are true |
| A. | Brass is costlier then copper |
| B. | Brass has excellent corrosion resistance |
| C. | Brass has good machinability |
| D. | Brass has poor thermal conductivity |
| Answer» C. Brass has good machinability | |
| 10. |
Which of the following contain copper |
| A. | bronze |
| B. | gunmetal |
| C. | monel metal |
| D. | each of the mentioned |
| Answer» E. | |
| 11. |
Which of the following are true for copper alloys |
| A. | Posses excellent thermal and electrical conductivity |
| B. | Can be easily cast and machined |
| C. | Has good corrosion resistance |
| D. | All of the mentioned |
| Answer» E. | |