MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
What will be the depth (in m) of the centre of pressure for a vertical square lamina submerged in a tank of oil (S=0.8) as shown in the figure? |
| A. | 1.45 |
| B. | 1.65 |
| C. | 1.75 |
| D. | 1.95 |
| Answer» D. 1.95 | |
| 2. |
The upper and lower edges of a square lamina of length 4 m are at a depths of 1 m and 3 m respectively in water. What will be the total pressure (in kN) on the lamina? |
| A. | 156.96 |
| B. | 235.44 |
| C. | 313.92 |
| D. | 392.4 |
| Answer» D. 392.4 | |
| 3. |
The upper and lower edges of a square lamina of length 4 m are at a depths of 1 m and 3 m respectively in water. What will be the depth (in m) of the centre of pressure? |
| A. | 1.33 |
| B. | 1.57 |
| C. | 2.17 |
| D. | 2.33 |
| Answer» D. 2.33 | |
| 4. |
What will be the total pressure (in kN) on a vertical square lamina submerged in a tank of oil (S=0.9) as shown in the figure? |
| A. | 26.5 |
| B. | 35.3 |
| C. | 44.1 |
| D. | 61.7 |
| Answer» D. 61.7 | |
| 5. |
A square lamina (each side equal to 2m) is submerged vertically in water such that the upper edge of the lamina is at a depth of 0.5 m from the free surface. What will be the depth (in m) of the centre of pressure? |
| A. | 1.32 |
| B. | 1.42 |
| C. | 1.52 |
| D. | 1.72 |
| Answer» E. | |
| 6. |
A square lamina (each side equal to 2m) with a central hole of diameter 1m is submerged vertically in water such that the upper edge of the lamina is at a depth of 0.5 m from the free surface. What will be the total water pressure (in kN) on the lamina? |
| A. | 15.77 |
| B. | 31.54 |
| C. | 47.31 |
| D. | 63.08 |
| Answer» D. 63.08 | |
| 7. |
A square lamina (each side equal to 2m) is submerged vertically in water such that the upper edge of the lamina is at a depth of 0.5 m from the free surface. What will be the total water pressure (in kN) on the lamina? |
| A. | 19.62 |
| B. | 39.24 |
| C. | 58.86 |
| D. | 78.48 |
| Answer» D. 78.48 | |
| 8. |
A rectangular lamina of width b and depth d is submerged vertically in water, such that the |
| A. | upper edge of the lamina is at a depth h from the free surface. What will be the expression for the depth of the centre of pressure? |
| B. | \(h + \frac{d}{3} × \frac{2h+d}{3h+2d}\) |
| C. | \(h + \frac{d}{6} × \frac{3h+2d}{h+2d}\) |
| D. | \(h + \frac{d}{3} × \frac{3h+2d}{2h+d}\) |
| E. | \(h + \frac{d}{3} × \frac{3h+2d}{h+d}\) |
| Answer» D. \(h + \frac{d}{3} × \frac{3h+2d}{2h+d}\) | |
| 9. |
Equal volume of two liquids of densities ρ1 and ρ2 are poured into two identical cuboidal beakers. The hydrostatic forces on the respective vertical face of the beakers are F1 and F2 respectively. If ρ1 > ρ2, which one will be the correct relation between F1 and F2? |
| A. | F1 > F2 |
| B. | F1 ≥ F2 |
| C. | F1 < F2 |
| D. | F1 ≤ F2 |
| Answer» B. F1 ≥ F2 | |