MCQOPTIONS
Saved Bookmarks
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. |
What is the viscosity of water at 30oC? |
| A. | 80.1 |
| B. | 0.801 |
| C. | 801 |
| D. | 0.081 |
| Answer» C. 801 | |
| 2. |
Define Stagnation temperature. |
| A. | The temperature at zero velocity |
| B. | The temperature at zero pressure |
| C. | The temperature at zero heat transfer |
| D. | The temperature at zero volume |
| Answer» B. The temperature at zero pressure | |
| 3. |
Which among the following is Euler’s equation? |
| A. | VdV/dh = 0 |
| B. | VdV – dh = 0 |
| C. | VdV + dh = 0 |
| D. | dh – V = 0 |
| Answer» D. dh – V = 0 | |
| 4. |
What is v2/2 in the equation for a control volume in space? |
| A. | Potential energy per unit mass |
| B. | Kinetic energy per unit mass |
| C. | Thermal energy per unit mass |
| D. | Mechanical energy per unit mass |
| Answer» C. Thermal energy per unit mass | |
| 5. |
DEFINE_STAGNATION_TEMPERATURE.?$ |
| A. | The temperature at zero velocity |
| B. | The temperature at zero pressure |
| C. | The temperature at zero heat transfer |
| D. | The temperature at zero volume |
| Answer» B. The temperature at zero pressure | |
| 6. |
Which among the following is the formula for momentum principle? |
| A. | pv = 0 |
| B. | p<sub>1</sub>p<sub>2</sub> = 0 |
| C. | P<sub>1</sub>V<sub>1</sub> + P<sub>2</sub>V<sub>2</sub> = 0 |
| D. | P<sub>1</sub>A1+P<sub>2</sub>A<sub>2</sub> + F = mV<sub>2</sub>mV<sub>1</sub> |
| Answer» E. | |
| 7. |
Which among the following is Euler’s equation?$ |
| A. | VdV/dh = 0 |
| B. | VdV – dh = 0 |
| C. | VdV + dh = 0 |
| D. | dh – V = 0 |
| Answer» D. dh ‚Äö√Ñ√∂‚àö√ë‚àö¬® V = 0 | |
| 8. |
For an isentropic flow ________ |
| A. | Enthalpy = 0 |
| B. | Entropy = 0 |
| C. | Pressure = 0 |
| D. | Temperature = 0 |
| Answer» C. Pressure = 0 | |
| 9. |
Which among the following is the equation for Bernoulli? |
| A. | Tds = dh – vdp |
| B. | Tds = dh |
| C. | Tds = dh + vdp |
| D. | Tds = dh/vdp |
| Answer» B. Tds = dh | |
| 10. |
Eddy viscosity is a turbulent transfer of _________ |
| A. | Fluid |
| B. | Heat |
| C. | Momentum |
| D. | Pressure |
| Answer» D. Pressure | |
| 11. |
Sum of enthalpy and kinetic energy remains a constant in __________ |
| A. | Polytropic flow |
| B. | Isentropic flow |
| C. | Adiabatic flow |
| D. | Mechanical flow |
| Answer» D. Mechanical flow | |
| 12. |
What is v2/2 in the equation for a control volume in space? |
| A. | Potential energy per unit mass |
| B. | Kinetic energy per unit mass |
| C. | Thermal energy per unit mass |
| D. | Mechanical energy per unit mass |
| Answer» C. Thermal energy per unit mass | |
| 13. |
Which among the following is the formula for continuity equation? |
| A. | ρ(x)V(x)A(x) = Constant |
| B. | A(x) = Constant |
| C. | ρ(x)V(x) = constant |
| D. | P(x)V(x) = constant |
| Answer» B. A(x) = Constant | |