MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which one of the following is least symmetrical? |
| A. | Tetragonal |
| B. | Simple cubic |
| C. | Triclinic |
| D. | Monoclinic |
| Answer» D. Monoclinic | |
| 2. |
Which one of the following is most symmetrical? |
| A. | Simple cubic cell |
| B. | Hexagonal |
| C. | Triclinic |
| D. | Tetragonal |
| Answer» B. Hexagonal | |
| 3. |
Which of the following axis system is being satisfied by triclinic crystal system? |
| A. | a = b = c, α = β = ϒ = 90o |
| B. | a ≠ b = c, α = β = ϒ = 90o |
| C. | a ≠ b ≠ c, α ≠ β ≠ ϒ ≠ 90o |
| D. | a = b = c, α ≠ β = ϒ = 90o |
| Answer» D. a = b = c, α ≠ β = ϒ = 90o | |
| 4. |
Which of the following axis system is being satisfied by monoclinic crystal system? |
| A. | a = b = c, α = β = 90o ≠ ϒ |
| B. | a ≠ b = c, α = β = ϒ = 90o |
| C. | a ≠ b ≠ c, α = β = 90o ≠ ϒ |
| D. | a = b = c, α ≠ β = ϒ = 90o |
| Answer» D. a = b = c, α ≠ β = ϒ = 90o | |
| 5. |
Which of the following axis system is being satisfied by hexagonal crystal system? |
| A. | a = b ≠ c, α = β = 90o, ϒ = 120o |
| B. | a ≠ b = c, α = β = ϒ = 90o |
| C. | a = b ≠ c, α = β = ϒ = 90o |
| D. | a = b = c, α ≠ β = ϒ = 90o |
| Answer» B. a ≠ b = c, α = β = ϒ = 90o | |
| 6. |
Which of the following axis system is being satisfied by rhombohedral (trigonal) crystal system? |
| A. | a = b = c, α = β = γ = 90o |
| B. | a ≠ b = c, α = β = γ = 90o |
| C. | a = b ≠ c, α = β = γ = 90o |
| D. | a = b = c, α = β = γ ≠ 90o |
| Answer» E. | |
| 7. |
Which of the following axis system is being satisfied by orthorhombic crystal system? |
| A. | a = b = c, α = β = γ = 90o |
| B. | a ≠ b ≠ c, α = β = γ = 90o |
| C. | a = b ≠ c, α = β = γ = 90o |
| D. | a = b = c, α ≠ β = γ = 90o |
| Answer» C. a = b ≠ c, α = β = γ = 90o | |
| 8. |
Which of the following axis system is being satisfied by tetragonal crystal system? |
| A. | a = b = c, α = β = ϒ = 90o |
| B. | a ≠ b ≠ c, α = β = ϒ = 90o |
| C. | a = b ≠ c, α = β = ϒ = 90o |
| D. | a = b = c, α ≠ β = ϒ = 90o |
| Answer» D. a = b = c, α ≠ β = ϒ = 90o | |
| 9. |
Which of the following axis system is being satisfied by cubic crystal system? |
| A. | a = b = c, α = β = γ = 90o |
| B. | a ≠ b = c, α = β = γ = 90o |
| C. | a = b ≠ c, α = β = γ = 90o |
| D. | a = b = c, α ≠ β = ϒ = 90o |
| Answer» B. a ≠ b = c, α = β = γ = 90o | |
| 10. |
Which of the following factor is not responsible for the formation of a non-crystalline structure? |
| A. | Atomic packing has open structure |
| B. | Primary bonds are absent |
| C. | Formation of 1-dimensional chain molecule |
| D. | Strong secondary bond |
| Answer» E. | |
| 11. |
Which of the following is characteristic of non-crystalline structures? |
| A. | Long range of periodicity |
| B. | Well defined structure and geometry |
| C. | Low density |
| D. | Sharp diffraction pattern |
| Answer» D. Sharp diffraction pattern | |
| 12. |
Which of the following is a characteristic of crystalline structure? |
| A. | High density |
| B. | Low density |
| C. | Range of melting point |
| D. | Short range of order |
| Answer» B. Low density | |
| 13. |
Which of the following has less crystallinity? |
| A. | Iron |
| B. | Nickel |
| C. | High density polythene |
| D. | Low density polythene |
| Answer» E. | |
| 14. |
Which of the following has a non-crystalline structure? |
| A. | Iron |
| B. | Quartz |
| C. | Silica glass |
| D. | Tungsten |
| Answer» D. Tungsten | |