MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Turbine blades are used to extract energy from the high temperatures. |
| A. | False |
| B. | True |
| Answer» C. | |
| 2. |
Is axial compressor is a compressor that can continuously pressurize gasses? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Is airfoil can be characterized by the relation between the angle of attack, lift coefficient and drag coefficient? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
IS_AIRFOIL_CAN_BE_CHARACTERIZED_BY_THE_RELATION_BETWEEN_THE_ANGLE_OF_ATTACK,_LIFT_COEFFICIENT_AND_DRAG_COEFFICIENT??$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Turbine blades are used to extract energy from the high temperatures.$ |
| A. | False |
| B. | True |
| Answer» C. | |
| 6. |
Is axial compressor is a compressor that can continuously pressurize gasses?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
How propeller creates a thrust force? |
| A. | With transmitted power |
| B. | With own power |
| C. | With the existing power |
| D. | With supplied power |
| Answer» E. | |
| 8. |
Is airfoil shape similar to blades of the propeller? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Is lift to drag ratio, maximum at zero degrees angle of attack? |
| A. | False |
| B. | True |
| Answer» B. True | |
| 10. |
Define drag curve. |
| A. | Drag will increase rapidly at particular degree of angle of attack and overcomes the lift curve at particular degree of angle of attack |
| B. | Drag curve will decrease at particular degree of angle of attack and lift curve increasing at particular degree of angle of attack |
| C. | Drag curve remains constant and lift curve will be increasing |
| D. | Lift curve remains constant and drag curve will be increasing |
| Answer» B. Drag curve will decrease at particular degree of angle of attack and lift curve increasing at particular degree of angle of attack | |
| 11. |
Define stalling angle in the graph. |
| A. | The curve increases maximum at a particular section and decreases rapidly in the same section |
| B. | The curve increases at different section and decreases rapidly at different section |
| C. | The curve remains constant at all section |
| D. | Lift curve will increases and drag curve will remain constant |
| Answer» B. The curve increases at different section and decreases rapidly at different section | |
| 12. |
What is the graph that is represented in the airfoil section? |
| A. | Lift-moment ratio |
| B. | Coefficient of lift-coefficient of drag ratio |
| C. | Angle of attack-drag ratio |
| D. | Lift–angle of attack ratio |
| Answer» C. Angle of attack-drag ratio | |
| 13. |
How lift and drag ratio can be expressed in a relation? |
| A. | Dividing the lift coefficient by the drag coefficient |
| B. | Dividing the lift coefficient by the moment coefficient |
| C. | Dividing the drag coefficient by the lift coefficient |
| D. | Dividing the drag coefficient by the moment coefficient |
| Answer» B. Dividing the lift coefficient by the moment coefficient | |
| 14. |
Does lift and drag of an airfoil depend on angle of attack? |
| A. | True |
| B. | False |
| Answer» C. | |