MCQOPTIONS
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MCQOPTIONS
This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Bearing materials used for low load applications are ______ |
| A. | Ceramic bearing materials |
| B. | Plastic bearing materials |
| C. | White bearing materials |
| D. | Copper-base bearing materials |
| Answer» C. White bearing materials | |
| 2. |
Tin-base alloys are replaced by aluminum-base alloys due to _______ |
| A. | High cost |
| B. | Low strength |
| C. | Corrosion |
| D. | Low availability |
| Answer» B. Low strength | |
| 3. |
Which of the following is an application of leaded bronze? |
| A. | Washing machine |
| B. | Extractor fan |
| C. | Vacuum cleaner |
| D. | Aero engine |
| Answer» E. | |
| 4. |
Plain tin bronze contains _____ of copper. |
| A. | 85% |
| B. | 88% |
| C. | 75% |
| D. | 90% |
| Answer» B. 88% | |
| 5. |
White bearing metals contain ______ of antimony. |
| A. | 10% |
| B. | 25% |
| C. | 50% |
| D. | 75% |
| Answer» B. 25% | |
| 6. |
In which of the following bearings, the bearing pressure is acting perpendicular to the axis of shaft? |
| A. | Journal bearing |
| B. | Foot step bearing |
| C. | Thrust bearing |
| D. | Ball bearing |
| Answer» B. Foot step bearing | |
| 7. |
During the use of shaft, the component used to hold & support the shaft is called_____. |
| A. | shaft |
| B. | pulley |
| C. | bearing |
| D. | gear |
| Answer» D. gear | |
| 8. |
_______ bearing needs no lubrication as it has self-lubricating properties. |
| A. | White metal |
| B. | Sintered Alloys |
| C. | Nylon |
| D. | Copper |
| Answer» D. Copper | |
| 9. |
Bearings are generally made of ______. |
| A. | gunmetal |
| B. | mild steel |
| C. | tin |
| D. | cast iron |
| Answer» B. mild steel | |
| 10. |
WHICH_OF_THE_FOLLOWING_IS_AN_APPLICATION_OF_LEADED_BRONZE??$ |
| A. | Washing machine |
| B. | Extractor fan |
| C. | Vacuum cleaner |
| D. | Aero engine |
| Answer» E. | |
| 11. |
Bearing materials used for low load applications are ______$ |
| A. | Ceramic bearing materials |
| B. | Plastic bearing materials |
| C. | White bearing materials |
| D. | Copper-base bearing materials |
| Answer» C. White bearing materials | |
| 12. |
Tin-base alloys are replaced by aluminum-base alloys due to _______$ |
| A. | High cost |
| B. | Low strength |
| C. | Corrosion |
| D. | Low availability |
| Answer» B. Low strength | |
| 13. |
Superalloys have resistance to creep temperatures as high as ______ |
| A. | 100 |
| B. | 250 |
| C. | 500 |
| D. | 1000 |
| Answer» E. | |
| 14. |
Plain tin bronze contains _____ of copper? |
| A. | 85% |
| B. | 88% |
| C. | 75% |
| D. | 90% |
| Answer» B. 88% | |
| 15. |
Which type of bearing bronze is the weakest? |
| A. | Plain tin bronze |
| B. | Phosphorus bronze |
| C. | Leaded bronze |
| D. | Sintered bronze |
| Answer» D. Sintered bronze | |
| 16. |
________ types of bearing alloys contain powdered copper and tin. |
| A. | Plain tin bronze |
| B. | Phosphorus bronze |
| C. | Leaded bronze |
| D. | Sintered bronze |
| Answer» E. | |
| 17. |
How much antimony does a lead-base alloy contain? |
| A. | 13% |
| B. | 12% |
| C. | 74% |
| D. | 0.75% |
| Answer» B. 12% | |
| 18. |
How much tin is contained in a Babbit metal? |
| A. | 10% |
| B. | 82% |
| C. | 4% |
| D. | 13% |
| Answer» C. 4% | |
| 19. |
Babbit metals are also known as _______ |
| A. | Tin-base alloys |
| B. | Lead-base alloys |
| C. | Copper-base alloys |
| D. | Aluminum-base alloys |
| Answer» B. Lead-base alloys | |
| 20. |
Tin-based or lead-based alloys are types of ______ |
| A. | White metals |
| B. | Copper base alloys |
| C. | Aluminum base alloys |
| D. | Ceramics |
| Answer» B. Copper base alloys | |
| 21. |
White bearing metals contain ______ of antimony? |
| A. | 10% |
| B. | 25% |
| C. | 50% |
| D. | 75% |
| Answer» B. 25% | |