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Engineering, 20.03.2021 01:00 dudedan05

Suppose a conventional water bottle cap is made with a single-start thread of 0.125 in pitch. Further suppose that the lid must be rotated 2.75 times to com- pletely close the bottle, requiring the typical use to re-clutch the lid approximately 4 times to screw the lid shut. If the lid is re-designed with exactly the same pitch, but three starts, rather than one, how many times must the lid be rotated to completely close the bottle?

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Suppose a conventional water bottle cap is made with a single-start thread of 0.125 in pitch. Furthe...
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