Discussion
Match each tail configuration in List I with its defining feature in List II.
List I
A. T-tail
B. Cruciform tail
C. V-tail
D. Canard
List II
1. Tailplane part-way up the fin
2. Tailplane at the fin tip
3. Horizontal surface ahead of the wing
4. Two surfaces doing both pitch and yaw
Select the correct match.
Answer: C
Correct answer: A-2, B-1, C-4, D-3
The four are distinguished by where the horizontal surface sits. A T-tail puts it at the fin tip; a cruciform tail part way up the fin; a canard ahead of the wing entirely.
The V-tail is the odd one out in kind rather than position: it has no separate horizontal and vertical surfaces at all, two dihedral surfaces performing both pitch and yaw through ruddervators. Reading the list for the outlier first - the one defined by function rather than location - settles that pairing immediately.
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