MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The governing equations for quasi one dimensional flow is used to find properties of flow in a nozzle. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
According to the energy equation, which of these properties remain constant along the flow? |
| A. | Total enthalpy |
| B. | Total entropy |
| C. | Kinetic energy |
| D. | Potential energy |
| Answer» B. Total entropy | |
| 3. |
What is the differential form of energy equation for quasi one dimensional flow? |
| A. | dh u<sup>2</sup>du = 0 |
| B. | dh udu = 0 |
| C. | dh + u<sup>2</sup>du = 0 |
| D. | dh + udu = 0 |
| Answer» E. | |
| 4. |
What is the differential form of momentum equation for the quasi one dimensional flow known as? |
| A. | Froude equation |
| B. | Euler s equation |
| C. | Kelvin s equation |
| D. | Bernoulli s equation |
| Answer» C. Kelvin s equation | |
| 5. |
Which is the Euler s equation for the quasi one dimensional flow? |
| A. | dp = ( frac { }{u} )du |
| B. | dp = ( frac {u}{ } )du |
| C. | dp = - udu |
| D. | dp = udu |
| Answer» D. dp = udu | |
| 6. |
What is the momentum equation for a quasi one dimensional flow? |
| A. | p<sub>1</sub>A<sub>1</sub> + <sub>1</sub>u (_1^2 )A<sub>1</sub> + ( int_{A_1}^{A_2} )pdA = p<sub>2</sub>A<sub>2</sub> + <sub>2</sub>u (_2^2 )A<sub>2</sub> |
| B. | p<sub>1</sub>A<sub>1</sub>u<sub>1</sub>+ <sub>1</sub>u (_1^2 )A<sub>1</sub> + ( int_{A_1}^{A_2} )pdA = p<sub>2</sub>A<sub>2</sub>u<sub>2</sub>+ <sub>2</sub>u (_2^2 )A<sub>2</sub> |
| C. | p<sub>1</sub>A<sub>1</sub> + <sub>1</sub>u (_1^2 )A<sub>1</sub> = p<sub>2</sub>A<sub>2</sub> + <sub>2</sub>u (_2^2 )A<sub>2</sub> |
| D. | p<sub>1</sub>A<sub>1</sub>u<sub>1</sub>+ <sub>1</sub>u (_1^2 )A<sub>1</sub> = p<sub>2</sub>A<sub>2</sub>u<sub>2</sub>+ <sub>2</sub>u (_2^2 )A<sub>2</sub> |
| Answer» B. p<sub>1</sub>A<sub>1</sub>u<sub>1</sub>+ <sub>1</sub>u (_1^2 )A<sub>1</sub> + ( int_{A_1}^{A_2} )pdA = p<sub>2</sub>A<sub>2</sub>u<sub>2</sub>+ <sub>2</sub>u (_2^2 )A<sub>2</sub> | |
| 7. |
What causes the flow properties to vary in quasi one dimensional flow? |
| A. | Cross sectional area |
| B. | Normal shock |
| C. | Head addition |
| D. | Frictional drag |
| Answer» B. Normal shock | |