MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following can be the density of steel? |
| A. | 8.1 g/cm3 |
| B. | 7.8 g/cm3 |
| C. | 7.7 g/cm3 |
| D. | 8.2 g/cm3 |
| Answer» C. 7.7 g/cm3 | |
| 2. |
Adding a nickel to the steel alloy increases its tensile strength. |
| A. | True |
| B. | Fasle |
| Answer» B. Fasle | |
| 3. |
When steel with exactly 0.8% carbon by weight is cooled, the FCC structure of the mixture tries to revert back to its BCC structure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
ADDING_A_NICKEL_TO_THE_STEEL_ALLOY_INCREASES_ITS_TENSILE_STRENGTH.?$ |
| A. | True |
| B. | Fasle |
| Answer» B. Fasle | |
| 5. |
Which_of_the_following_can_be_the_density_of_steel?$ |
| A. | 8.1 g/cm<sup>3</sup> |
| B. | 7.8 g/cm<sup>3</sup> |
| C. | 7.7 g/cm<sup>3</sup> |
| D. | 8.2 g/cm<sup>3</sup> |
| Answer» C. 7.7 g/cm<sup>3</sup> | |
| 6. |
When steel with exactly 0.8% carbon by weight is cooled, the FCC structure of the mixture tries to revert back to its BCC structure? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
At room temperature which is the most stable form of iron? |
| A. | Pearlite |
| B. | Ledeburite |
| C. | Martensite |
| D. | α-iron |
| Answer» E. | |
| 8. |
Which of the following element is added to steel to form stainless steel? |
| A. | Chromium |
| B. | Copper |
| C. | Boron |
| D. | Titanium |
| Answer» B. Copper | |
| 9. |
Traces of which of the following element is considered undesirable in steel? |
| A. | Chromium |
| B. | Copper |
| C. | Boron |
| D. | Titanium |
| Answer» C. Boron | |
| 10. |
Which of the following cannot be used as an alloying element in steel? |
| A. | Lead |
| B. | Chromium |
| C. | Nickel |
| D. | Tungsten |
| Answer» B. Chromium | |
| 11. |
Which of the following can be the carbon weight percentage in steel? |
| A. | 2% |
| B. | 5% |
| C. | 3% |
| D. | 4% |
| Answer» B. 5% | |
| 12. |
Which of following crystalline form can iron not take? |
| A. | BCC |
| B. | FCC |
| C. | HCP |
| D. | It can take all crystalline forms |
| Answer» D. It can take all crystalline forms | |
| 13. |
Which of the following is an alloy of iron and carbon? |
| A. | Steel |
| B. | Brass |
| C. | Bronze |
| D. | Solder |
| Answer» B. Brass | |