MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Work per unit volume of the material is a known modulus of toughness. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Ductility of material is its ability to flow plastically under compressive load. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Stress should not exceed ___ when in mechanical working |
| A. | Yield strength |
| B. | Tensile strength |
| C. | Fracture strength |
| D. | Toughness |
| Answer» C. Fracture strength | |
| 4. |
Stress should not exceed ___ when in service. |
| A. | Yield strength |
| B. | Tensile strength |
| C. | Fracture strength |
| D. | Toughness |
| Answer» B. Tensile strength | |
| 5. |
STRESS_SHOULD_NOT_EXCEED_____WHEN_IN_SERVICE.?$ |
| A. | Yield strength |
| B. | Tensile strength |
| C. | Fracture strength |
| D. | Toughness |
| Answer» B. Tensile strength | |
| 6. |
Ductility of material is its ability to flow plastically under compressive load.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Stress_should_not_exceed_____when_in_mechanical_working$ |
| A. | Yield strength |
| B. | Tensile strength |
| C. | Fracture strength |
| D. | Toughness |
| Answer» C. Fracture strength | |
| 8. |
Work_per_unit_volume_of_the_material_is_a_known_modulus_of_toughness. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
What is a factor which controls the elastic modulus? |
| A. | Alloying |
| B. | Heat treatment |
| C. | Interatomic forces |
| D. | Cold working |
| Answer» D. Cold working | |
| 10. |
Which of the following tensile property is dimensionless? |
| A. | Tensile stress |
| B. | Elastic modulus |
| C. | True strain |
| D. | Toughness |
| Answer» D. Toughness | |
| 11. |
When applied stress is of shear type, the modulus of elasticity is known as ___ |
| A. | Bulk modulus |
| B. | Modulus of resilience |
| C. | Shear modulus |
| D. | Stiffness |
| Answer» D. Stiffness | |
| 12. |
What is the unit of elastic modulus? |
| A. | Mohs |
| B. | GPa |
| C. | Kg |
| D. | N |
| Answer» C. Kg | |
| 13. |
What property enhances with a decrease in E? |
| A. | Flexibility |
| B. | Stiffness |
| C. | Hardness |
| D. | UTS |
| Answer» B. Stiffness | |
| 14. |
What is the order of elastic modulus for Nickel alloys, Lead alloys, Molybdenum alloys, alumina? |
| A. | Pb < Mo < Ni < Al<sub>2</sub>O<sub>3</sub> |
| B. | Ni < Pb < Mo < Al<sub>2</sub>O<sub>3</sub> |
| C. | Pb < Ni < Mo < Al<sub>2</sub>O<sub>3</sub> |
| D. | Pb < Ni < Al<sub>2</sub>O<sub>3</sub> < Mo |
| Answer» D. Pb < Ni < Al<sub>2</sub>O<sub>3</sub> < Mo | |
| 15. |
What is the elastic modulus of titanium alloys? |
| A. | 150-170 GPa |
| B. | 180-214 GPa |
| C. | 80-130 GPa |
| D. | 41-45 GPa |
| Answer» D. 41-45 GPa | |
| 16. |
What is the elastic modulus of steel? |
| A. | 69-79 GPa |
| B. | 41-45 GPa |
| C. | 190-217 GPa |
| D. | 330-360 GPa |
| Answer» D. 330-360 GPa | |