Quiz 3 Solutions

# Quiz 3 Solutions - EMI 3701 Spring 2014 Quiz 3(Full points...

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Unformatted text preview: EMI. 3701 Spring 2014 Quiz 3 (Full points: 4; Weight: 4%) (Closed book and closed notes) Name ' Formulas you may need or F = ism, ~_- %/ Vde+chl7pl7-K CV ['5 = Ind/'0,“ — 17in) (Note the conditions ”the wish list” to use this equation) LW+0£+§£+EL 6x8yazc9t MW 1. (0.5 points) Which expression below has the uni of volume flow rate? W, m (an, V(V'dA) (cu, pV(V-dA) (D) I, pm; 9 m 95 F. 2. (1 point) Given velocity field V: St - (y3 + 42)] + 3y 22E Is this flow compressible? 214:3(5): .. 3V}: 23—3+F?).._ 9w_a(s":> . ”570" a“ o ay- 1157.4 3/ ,——.-___}’ .ng—b—al’+£§\$’:o 3. (2.5 points) A metal container with cross-sectional area A shown In the figure weights Wank when empty. The container is placed on a scale and water flows in through an opening the top at speed V1 and out through the two openings in the sides at speed V2 and V3, respectively. Under steady flow conditions, the height of the water in the L 2 _ tank' Is h, the area of opening 1, 2 and 3 Is A1, A2 and A 7‘ _ respectively. The density of water is p, and the s cific weight of water is Riyat does the scale W read? Express what the scale reads In a function of Wtank, V1,V2,V§,AA1-,u A2,A3,h, p, and y. (Note #10 you may n ed all parm emte s). “pose 0- 6V M ml P3 ‘6 ijrce victim/e cow CVICKen‘ta'onch/wwfl «w: ”‘75) 2 s1 ‘ ‘ ‘ \Mw,’:i“’f<0, ’47 Letwiiy waif (M 2m an? M?!) 26’: leJ m2) w%:f~l/,AI ...
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