MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Bulk Modulus, Pressure, Force, Stress – Which one of these won’t have the same unit as the others? |
| A. | Bulk Modulus |
| B. | Pressure |
| C. | Force |
| D. | Stress |
| Answer» D. Stress | |
| 2. |
Which one of the following is the correct relation between compressibility β and Bulk Modulus k |
| A. | β = k |
| B. | β = 1/k |
| C. | β = 2k |
| D. | β = k/2 |
| Answer» C. β = 2k | |
| 3. |
Which of the following is the dimension of compressibility? |
| A. | [M<sup>1</sup>L<sup>1</sup>T<sup>-2</sup>]. |
| B. | [M<sup>1</sup>L<sup>1</sup>T<sup>-1</sup>]. |
| C. | [M<sup>-1</sup>L<sup>1</sup>T<sup>-2</sup>]. |
| D. | [M<sup>-1</sup>L<sup>1</sup>T<sup>2</sup>]. |
| Answer» E. | |
| 4. |
Which one of the following is the unit of compressibility? |
| A. | m=N |
| B. | m<sup>2</sup>=N |
| C. | m<sup>3</sup>=N |
| D. | it is unitless |
| Answer» C. m<sup>3</sup>=N | |
| 5. |
Which of the following is the dimension of Bulk Modulus? |
| A. | [M<sup>1</sup>L<sup>-1</sup>T<sup>-1</sup>]. |
| B. | [M<sup>1</sup>L<sup>-1</sup>T<sup>-2</sup>]. |
| C. | [M<sup>1</sup>L<sup>1</sup>T<sup>-2</sup>]. |
| D. | [M<sup>1</sup>L<sup>1</sup>T<sup>-1</sup>]. |
| Answer» C. [M<sup>1</sup>L<sup>1</sup>T<sup>-2</sup>]. | |
| 6. |
Bulk Modulus, Pressure, Force, Stress – Which one of these won’t have the same unit as the others?$ |
| A. | Bulk Modulus |
| B. | Pressure |
| C. | Force |
| D. | Stress |
| Answer» D. Stress | |
| 7. |
Three fluids 1, 2 and 3 have Bulk Moduli of k1, k2 and k3 respectively. If k1 > k2 > k3, which liquid will have the highest compressibility? |
| A. | liquid 1 |
| B. | liquid 2 |
| C. | liquid 3 |
| D. | they’ll have equal compressibilities |
| Answer» D. they‚Äö√Ñ√∂‚àö√ë‚àö¬•ll have equal compressibilities | |
| 8. |
The value of the Bulk Modulus of elasticity for an incompressible fluid is |
| A. | zero |
| B. | unity |
| C. | infinity |
| D. | very low |
| Answer» D. very low | |
| 9. |
Which one of the following is true about Bulk Modulus of elasticity? |
| A. | it is the ratio of compressive stress to volumetric strain |
| B. | it is the ratio of compressive stress to linear strain |
| C. | it is the ratio of tensile stress to volumetric strain |
| D. | it is the ratio of tensile stress to linear strain |
| Answer» B. it is the ratio of compressive stress to linear strain | |
| 10. |
Which one of the following is the correct relation between compressibility β and Bulk Modulus k |
| A. | β = k |
| B. | β = 1/k |
| C. | β = 2k |
| D. | β = k/2 |
| Answer» C. ‚âà√≠‚Äö√¢¬ß = 2k | |