MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
With increase in porosity Young s modulus ________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | First increases and then decreases |
| Answer» C. Remains constant | |
| 2. |
If Young s modulus of tungsten carbide is 450 GPa, what will be Young s modulus for 4% porous tungsten carbide? |
| A. | 450 GPa |
| B. | 415.8 GPa |
| C. | 410.4 GPa |
| D. | 425.8 GPa |
| Answer» C. 410.4 GPa | |
| 3. |
What causes blow holes in casting? |
| A. | Soft ramming |
| B. | Venting |
| C. | Insufficient permeability |
| D. | Risering system |
| Answer» D. Risering system | |
| 4. |
Voids formed due to shrinkage of material, during its solidification, are known as _______ |
| A. | Cavitation |
| B. | Porosity |
| C. | Inclusion |
| D. | Blow hole |
| Answer» B. Porosity | |