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| Q. |
Which of the following is correct? |
| A. | generally, tip airfoils are selected for stall characteristics |
| B. | always root airfoils are elected for stall characteristics |
| C. | wing twist will increase thrust by engine |
| D. | wing twist is not considered for layout |
| Answer» A. generally, tip airfoils are selected for stall characteristics | |
| Explanation: generally, tip airfoils are selected for gentle stall properties. root airfoils are selected for best performance. by doing so we will have better wing which has overall good performance and stall properties. | |
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