MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In ceramics, due to the presence of internal flaws, from which cracks can propagate in tension, but not in the compression state. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is compressive stress of cylindrical specimen of diameter 2 cm and applied force is 10N? |
| A. | 796 kN/m<sup>2</sup> |
| B. | 450 kN/m<sup>2</sup> |
| C. | 678 kN/m<sup>2</sup> |
| D. | 875 kN/m<sup>2</sup> |
| Answer» B. 450 kN/m<sup>2</sup> | |
| 3. |
Which machine is used to measure compressive strength? |
| A. | Erichsen machine |
| B. | Universal testing machine |
| C. | Impact testing machine |
| D. | Fatigue testing machine |
| Answer» C. Impact testing machine | |
| 4. |
As the w/c ratio (mass of water/mass of cement) of concrete increases, the porosity ______ and as the result compressive strength ______ |
| A. | Increases, increases |
| B. | Increases, decreases |
| C. | Decreases, increases |
| D. | Decreases, increases |
| Answer» C. Decreases, increases | |
| 5. |
For _____ value of a rate of loading, the value of strength comes out to be ______ |
| A. | Lower, lower |
| B. | Lower, higher |
| C. | Any, same |
| D. | Any, different independent of a rate of loading |
| Answer» B. Lower, higher | |