HW_1_solutions

# HW_1_solutions - CiC Jof l.l,*' w+1 .-i, l-t e"f/ I O 26...

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Ci€C Jof l-t w+1 .-i, P1.9 An inverted conical container, 26 inches in diameter and 44 inches high, is lilled rvith a liquid at 20'C and weighed. The liquid r.veight is found to be 5030 ounces. (a) What is tle density of the fluid. in kg/mr? (b) What fluid might this be? Assume standard gravitl, g - 9.807 ru-'s']. Solution: First tind the volume of the liquicl in mt, fiom our high school cone-volume lbrmula: LiquiJ Vol. - 1 *t o E,rl3int2 t44int - 1787 inr - 4.500 /r' - 0.1216mi -) _) Then t'ind the mass of liquid in kilograms: Liquid muss = 5030o:: 16 = 314.4lbm x 0.45359 = 142.6 kg 'I.hen liouid densirv = mutt - 112 6 ks = nn !+ An.,.1.a1 volttme 0.127 6 m' m' (b) From Appendix Iable A.3, this could very well be ethvlene glycol. Ans.(b) l.l2 For lorv-speed (laminar) flow in a tube of radius ro. the velocill'-. zl

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## This note was uploaded on 02/02/2012 for the course CIEG 305 taught by Professor Schwartz,l during the Fall '08 term at University of Delaware.

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HW_1_solutions - CiC Jof l.l,*' w+1 .-i, l-t e"f/ I O 26...

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