A passenger plane is able to carry a fixed weight, including passengers and fuel.Which wing design would be best for such a plane?
- ADesign 1
- BDesign 2
- CDesign 3
- DDesign 4
问题
A passenger plane is able to carry a f
参考解析：
To handle the question, you need to infer that the “best” design would be one that is most efficient in terms of its lift-to-drag ratio as well as in terms of fuel consumption. Fortunately,Tables 1 and 2 each show that design 2 is most efficient.
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