MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Which brass alloy is suitable for high-speed machining? |
| A. | Gilding metal |
| B. | High tensile brass |
| C. | Leaded brass |
| D. | Muntz metal |
| Answer» D. Muntz metal | |
| 2. |
Which brass alloy is used to make imitation jewelry and decorative work? |
| A. | Standard brass |
| B. | Admiralty brass |
| C. | Free cutting brass |
| D. | Gilding metal |
| Answer» E. | |
| 3. |
Which brass alloy has high tensile strength and can be used for cast molding? |
| A. | Manganese brass |
| B. | Free cutting brass |
| C. | Standard brass |
| D. | Gilding metal |
| Answer» B. Free cutting brass | |
| 4. |
Yellow metal is more commonly known as ______ |
| A. | Cartridge brass |
| B. | Naval brass |
| C. | Admiralty brass |
| D. | Muntz metal |
| Answer» E. | |
| 5. |
_______ is an alloy of copper and tin. |
| A. | Brass |
| B. | Bronze |
| C. | Gunmetal |
| D. | Cupro-nickel |
| Answer» C. Gunmetal | |
| 6. |
Addition of tellurium to copper results in ________ |
| A. | High strength |
| B. | Decreased electrical conductivity |
| C. | Increased machinability |
| D. | No effect |
| Answer» D. No effect | |
| 7. |
What is the appearance of copper? |
| A. | Gold |
| B. | Blue |
| C. | Yellow-green |
| D. | Red-orange |
| Answer» E. | |
| 8. |
α brasses contain ______ of zinc. |
| A. | 0% |
| B. | <=36% |
| C. | >36% |
| D. | 100% |
| Answer» C. >36% | |
| 9. |
Brass is an alloy of copper and ______ |
| A. | Zinc |
| B. | Tin |
| C. | Tin and zinc |
| D. | Nickel |
| Answer» B. Tin | |
| 10. |
What is the melting point of Copper? |
| A. | 419 |
| B. | 600 |
| C. | 1084 |
| D. | 2562 |
| Answer» D. 2562 | |
| 11. |
Which copper grade is used to manufacture semiconductors and particle accelerator components? |
| A. | High conductivity copper |
| B. | Deoxidised copper |
| C. | Oxygen-free copper |
| D. | Arsenic deoxidized copper |
| Answer» D. Arsenic deoxidized copper | |
| 12. |
High conductivity copper is used ______ |
| A. | In electrical engineering |
| B. | To reduce porosity |
| C. | To raise softening temperature |
| D. | To manufacture semiconductor elements |
| Answer» B. To reduce porosity | |
| 13. |
How much copper is present in deoxidized copper? |
| A. | > 99.9% |
| B. | > 99.85% |
| C. | > 99.5% |
| D. | > 99.35% |
| Answer» C. > 99.5% | |