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Mortise, Tenon, and Beyond: The Joinery Quiz
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What is the standard taper rate used for National Pipe Taper (NPT) threads to ensure a wedged, leak-tight seal?
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Hint
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⚖️
50-50
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Audience
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A
1 in 16 (3/4 inch per foot)
B
1 in 8 (1.5 inches per foot)
C
1 in 24 (1/2 inch per foot)
D
1 in 32 (3/8 inch per foot)
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