21_ch 12 Mechanical Design budynas_SM_ch12

21_ch 12 Mechanical Design budynas_SM_ch12 - = 91 . 6...

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324 Solutions Manual • Instructor’s Solution Manual to Accompany Mechanical Engineering Design Trial 3 : Try D = 7 / 8 in, L = 1 . 5 in P max = 4(2)(100) π (7 / 8)(1 . 5) = 194 psi < 3560 psi O.K. P = 2(100) 7 / 8(1 . 5) = 152 psi, V
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Unformatted text preview: = 91 . 6 ft/min PV = 152(91 . 6) = 13 923 psi ft/min &lt; 46 700 psi ft/min O.K. D = 7 / 8 in, L = 1 . 5 in is acceptable Ans. Suggestion: Try smaller sizes....
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