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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. |
Flow passing through curved shock creates vorticity in the downstream. |
A. | True |
B. | False |
Answer» B. False | |
2. |
Crocco’s theorem gives a relation between which of the following? |
A. | Entropy and flow velocity |
B. | Gradient of entropy and vorticity |
C. | Gradient of angular acceleration and enthalpy |
D. | Flow velocity and enthalpy |
Answer» C. Gradient of angular acceleration and enthalpy | |
3. |
According to Crocco’s theorem, the vorticity behind the curved shockwave is zero. |
A. | True |
B. | False |
Answer» C. | |
4. |
Which of these is Crocco’s theorem? |
A. | V × (∇ × V) = ∇h0 – T∇s |
B. | V(∇ × V) = ∇h0 |
C. | (∇ × V) = T∇s |
D. | (∇ × V) = ∇h0 + T∇s |
Answer» B. V(∇ × V) = ∇h0 | |
5. |
What does Crocco’s theorem establish? |
A. | Relationship between inertial and fluid properties |
B. | Relationship between fluid and thermodynamic properties |
C. | Give the body forces |
D. | Determine the relation between vorticity and angular velocity |
Answer» C. Give the body forces | |
6. |
How is the vorticity related to the angular velocity? |
A. | Twice of angular velocity |
B. | Thrice of angular velocity |
C. | No difference |
D. | Half of angular velocity |
Answer» B. Thrice of angular velocity | |
7. |
What does the curl of velocity field give us? |
A. | Moment of Inertial |
B. | Angular velocity |
C. | Angular acceleration |
D. | Moment |
Answer» C. Angular acceleration | |