MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
If a cricket ball moves with a velocity ‘v’ and collides with a tiny table tennis ball. After an elastic collision, at what velocity will the second ball move? |
| A. | v |
| B. | v/2 |
| C. | 2v |
| D. | v2 |
| Answer» D. v2 | |
| 2. |
How can you slow down a fast neutron? |
| A. | Applying an electric field |
| B. | Using shield |
| C. | Elastic collision |
| D. | Heavy water |
| Answer» E. | |
| 3. |
When a charged body enters a uniform magnetic field. How will it’s kinetic energy change? |
| A. | Doubles |
| B. | 4 times |
| C. | Constant |
| D. | Triples |
| Answer» D. Triples | |
| 4. |
HOW_CAN_YOU_SLOW_DOWN_A_FAST_NEUTRON??$ |
| A. | Applying an electric field |
| B. | Using shield |
| C. | Elastic collision |
| D. | Heavy water |
| Answer» E. | |
| 5. |
If_a_cricket_ball_moves_with_a_velocity_‘v’_and_collides_with_a_tiny_table_tennis_ball._After_an_elastic_collision,_at_what_velocity_will_the_second_ball_move?$# |
| A. | v |
| B. | v/2 |
| C. | 2v |
| D. | v<sup>2</sup> |
| Answer» D. v<sup>2</sup> | |
| 6. |
What is the relation between kinetic energy and momentum? |
| A. | p=m/v |
| B. | p=mva |
| C. | p=mv |
| D. | p=m |
| Answer» D. p=m | |
| 7. |
When a charged body enters a uniform magnetic field. How will it’s kinetic energy change?$ |
| A. | Doubles |
| B. | 4 times |
| C. | Constant |
| D. | Triples |
| Answer» D. Triples | |
| 8. |
If the kinetic energy is increased 4 times its initial value, then how does its momentum change? |
| A. | 100% |
| B. | 50% |
| C. | 200% |
| D. | 150% |
| Answer» B. 50% | |
| 9. |
When a bullet hits a solid block and gets embedded into it. What is conserved? |
| A. | Momentum only |
| B. | Kinetic energy only |
| C. | Momentum and kinetic energy |
| D. | Mass |
| Answer» B. Kinetic energy only | |
| 10. |
What is the function of Reynolds number? |
| A. | To detect pressure changes |
| B. | To predict flow patterns |
| C. | Temperature |
| D. | Viscosity |
| Answer» C. Temperature | |
| 11. |
If you double the kinetic energy of an arrow, by what factor does its speed increase? |
| A. | 2 |
| B. | 4 |
| C. | same |
| D. | ‚àö2 |
| Answer» E. | |
| 12. |
Which among the following is not an application of the Bernoulli? |
| A. | Sailing |
| B. | Flow through a venture tube |
| C. | Flow through a sharp-edged orifice. |
| D. | Closing of tap water |
| Answer» C. Flow through a sharp-edged orifice. | |
| 13. |
What is the value of kinetic energy factor during a laminar flow? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |