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This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In case of spherical bodies with uniform mass distribution, what is the position of center of pressure relative to centre of gravity. |
| A. | Above |
| B. | Below |
| C. | Coincides |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
The total pressure or pressure intensity is zero for any point on inclined surface in space. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
For an inclined plane for which position, maximum total pressure acts on it. |
| A. | Horizontal |
| B. | Vertical |
| C. | Inclined |
| D. | None of the mentioned |
| Answer» C. Inclined | |
| 4. |
A rectangular plan surface 5 m wide and 7 m deep lies in water in such a way that its plane makes an angle 60⁰ with the free surface of water. Determine the total pressure force when the upper edge is 3 m below the free surface. |
| A. | 311.15 N/cm2 |
| B. | 622.3 N/cm2 |
| C. | 155.5 N/cm2 |
| D. | None of the mentioned |
| Answer» B. 622.3 N/cm2 | |
| 5. |
A rectangular plate surface 3m wide and 5m deep lies in fluid of specific gravity .9 such that its plane makes an angle of 45⁰ with water surface, upper edge 3m below free water surface. Determine the total pressure. |
| A. | 86.5 N/cm2 |
| B. | 173 N/cm2 |
| C. | 43.25 N/cm2 |
| D. | None of the mentioned |
| Answer» B. 173 N/cm2 | |
| 6. |
Find the total pressure on a circular plate of diameter 3 m immersed in a fluid of specific gravity 0.75 at a depth of 5 m from the surface on a planet having acceleration dueto gravity 7 m/s2. |
| A. | 18.5 N/cm2 |
| B. | 37 N/cm2 |
| C. | 9.25 N/cm2 |
| D. | None of the mentioned |
| Answer» B. 37 N/cm2 | |
| 7. |
Find the total pressure on a rectangular plate of dimensions 2×3 m immersed in a fluid of specific gravity 0.65 at a depth of 6 m from the surface. |
| A. | 22.9 N/cm2 |
| B. | 45.8 N/cm2 |
| C. | 11.5 N/cm2 |
| D. | None of the mentioned |
| Answer» B. 45.8 N/cm2 | |
| 8. |
THE_TOTAL_PRESSURE_OR_PRESSURE_INTENSITY_IS_ZERO_FOR_ANY_POINT_ON_INCLINED_SURFACE_IN_SPACE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
In_case_of_spherical_bodies_with_uniform_mass_distribution,_what_is_the_position_of_center_of_pressure_relative_to_centre_of_gravity.$ |
| A. | Above |
| B. | Below |
| C. | Coincides |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 10. |
For an inclined plane for which position, maximum total pressure acts on it? |
| A. | Horizontal |
| B. | Vertical |
| C. | Inclined |
| D. | None of the mentioned |
| Answer» C. Inclined | |
| 11. |
The pressure intensity for a horizontal plate is maximum on the surface of the earth and decreases as we move further away from the surface of the earth either downward or upward. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
For an inclined plate the pressure intensity at every point differs. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
A circular plate 5.0 m diameter is immersed in such a way that its greatest and least depth below the free surface are 3 m and 1 m respectively. determine the position of the centre of pressure. |
| A. | 2.5 m |
| B. | 5 m |
| C. | 4.5 m |
| D. | 6 m |
| Answer» B. 5 m | |
| 14. |
A rectangular plan surface 5 m wide and 7 m deep lies in water in such a way that its plane makes an angle 60‚Äö√Ö‚àû with the free surface of water. Determine the total pressure force when the upper edge is 3 m below the free surface.$ |
| A. | 311.15 N/cm<sup>2</sup> |
| B. | 622.3 N/cm<sup>2</sup> |
| C. | 155.5 N/cm<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 622.3 N/cm<sup>2</sup> | |
| 15. |
A rectangular plate surface 3m wide and 5m deep lies in fluid of specific gravity .9 such that its plane makes an angle of 45‚Äö√Ö‚àû with water surface, upper edge 3m below free water surface. Determine the total pressure.$ |
| A. | 86.5 N/cm<sup>2</sup> |
| B. | 173 N/cm<sup>2</sup> |
| C. | 43.25 N/cm<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 173 N/cm<sup>2</sup> | |
| 16. |
Find the total pressure on a circular plate of diameter 3 m immersed in a fluid of specific gravity 0.75 at a depth of 5 m from the surface on a planet having acceleration dueto gravity 7 m/s2. |
| A. | 18.5 N/cm<sup>2</sup> |
| B. | 37 N/cm<sup>2</sup> |
| C. | 9.25 N/cm<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 37 N/cm<sup>2</sup> | |
| 17. |
Find the total pressure on a rectangular plate of dimensions 2√ó3 m immersed in a fluid of specific gravity 0.65 at a depth of 6 m from the surface. |
| A. | 22.9 N/cm<sup>2</sup> |
| B. | 45.8 N/cm<sup>2</sup> |
| C. | 11.5 N/cm<sup>2</sup> |
| D. | None of the mentioned |
| Answer» B. 45.8 N/cm<sup>2</sup> | |