MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 8 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. |
The phase above eutectoid temperature for carbon steels is known as _______ |
| A. | Cementite |
| B. | Ferrite |
| C. | Pearlite |
| D. | Austentite |
| Answer» E. | |
| 2. |
What is the maximum %C by weight in hypo-eutectoid steels? |
| A. | 0.5% |
| B. | 0.7% |
| C. | 0.8% |
| D. | 1.2% |
| Answer» D. 1.2% | |
| 3. |
What is the eutectoid structure of Iron? |
| A. | Cementite |
| B. | Ferrite |
| C. | Pearlite |
| D. | Austentite |
| Answer» D. Austentite | |
| 4. |
Which of the following are Peritectic systems? |
| A. | Pt Ag |
| B. | Ni Re |
| C. | Ni Re, Fe Ge, Sn-Sb |
| D. | Pt Ag, Ni Re, Fe Ge, Sn-Sb |
| Answer» E. | |
| 5. |
Any composition left and right of P will generate ___________ |
| A. | Excess of liquid and |
| B. | Excess of and liquid |
| C. | Excess of liquid and |
| D. | Excess of and liquid |
| Answer» C. Excess of liquid and | |
| 6. |
A first solid phase results in a second solid plus another third solid phase upon heating during __________ reaction. |
| A. | Eutectoid |
| B. | Peritectic |
| C. | Eutectic |
| D. | Peritectoid |
| Answer» E. | |
| 7. |
A first solid phase results in a second solid phase another third solid phase on cooling during __________ reaction. |
| A. | Eutectoid |
| B. | Peritectic |
| C. | Eutectic |
| D. | Peritectoid |
| Answer» B. Peritectic | |
| 8. |
On heating, one solid phase results in another solid phase and a liquid phase during __________ reaction. |
| A. | Eutectoid |
| B. | Peritectic |
| C. | Eutectic |
| D. | Peritectoid |
| Answer» C. Eutectic | |