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QUESTION 10 Based on the image below, which of the follow ...
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QUESTION 10 Based on the image below, which of the following statements are true? Select all correct answers. Only select answers you are sure are correct. Partial credit is available for each correct answer but negative marking is applied within this question (but it is not possible to score a negative mark for the question overall). Lift Coefficient Aerofoil with slats and flaps Aerofoil with flaps Plain aerofoil 0 Angle of Attack HODD Chord
0 Angle of Attack 1. For a 2D aerofoil, the lift slope is equal to 2? in all three configurations 2. A cambered aerofoil produces no lift at zero angle of attack 3. The effect of flaps is to decrease the overall circulation of the aerofoil 4. A combination of flap and slat increases the overall operational window of the wing 5. Slats decelerate the flow over the upper surface of the wing 6. Flaps and slats in combination improve the overall performance of the wing 7. Flaps increase the maximum lift coefficient of a wing 8. Slats have no effect on the stall of the wing