MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Determine the compressibility of an incompressible fluid, if the pressure of the fluid is changed from 70 N/m2 to 130 N/m2. The volume of the liquid changes by 0.15 percent. |
| A. | 0.0025 m2/N |
| B. | 0.0050 m2/N |
| C. | 0.0070 m2/N |
| D. | 0.0012 m2/N |
| Answer» B. 0.0050 m2/N | |
| 2. |
A cylinder of 0.8 m3 in volume contains superheated steam at 70℃ and .4 N/m2 absolute pressure. The superheated steam is compressed to .3 . Find pressure and temperature. |
| A. | 0.74 N/m2, 422.3℃ |
| B. | 1.48 N/m2, 422.3℃ |
| C. | 0.74 N/m2, 844.6℃ |
| D. | 1.48 N/m2, 844.6℃ |
| Answer» B. 1.48 N/m2, 422.3℃ | |
| 3. |
A gas weighs 16 N/m3 at 30℃ and at an absolute pressure of 0.35 N/mm2. Determine the gas constant. |
| A. | 708.23 |
| B. | 354.11 |
| C. | 531.17 |
| D. | 1062.34 |
| Answer» B. 354.11 | |
| 4. |
Calculate the pressure exerted by 9 kg of air at a temperature of 20℃ if the volume is 0.8m3. Assuming ideal gas laws are applicable. |
| A. | 946 kN/m2 |
| B. | 1892 kN/m2 |
| C. | 1419 kN/m2 |
| D. | None of the mentioned |
| Answer» B. 1892 kN/m2 | |
| 5. |
The value of gas constant is same for all the gases |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
If the fluid is incompressible, do thermodynamic properties play an important role in its behaviour at varying temperature and pressure? |
| A. | Yes |
| B. | No |
| C. | Depends on the fluid |
| D. | None of the mentioned |
| Answer» C. Depends on the fluid | |