MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
The space between two plates (20cm*20cm*1cm), 1 cm apart, is filled with a liquid of viscosity 1 Poise. The upper plate is dragged to the right with a force of 5N keeping the lower plate stationary. |
| A. | What will be the velocity in m/s of flow at a point 0.5 cm below the lower surface of the upper plate if linear velocity profile is assumed for the flow? |
| B. | 1.25 |
| C. | 2.5 |
| D. | 12.5 |
| E. | 0.25 |
| Answer» D. 12.5 | |
| 2. |
The shear stress at a point in a liquid is found to be 0.03 N/m2. The velocity gradient at the point is 0.15 s-1. What will be it’s viscosity (in Poise)? |
| A. | 20 |
| B. | 2 |
| C. | 0.2 |
| D. | 0.5 |
| Answer» C. 0.2 | |
| 3. |
The dynamic viscosity of a fluid is 1 Poise. What should one multiply to it to get the answer in N-s/m2? |
| A. | 0.1 |
| B. | 1 |
| C. | 10 |
| D. | 100 |
| Answer» B. 1 | |
| 4. |
The viscosity of a fluid in motion is 1 Poise. What will be it’s viscosity (in Poise) when the fluid is at rest? |
| A. | 0 |
| B. | 0.5 |
| C. | 1 |
| D. | 2 |
| Answer» D. 2 | |