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Quiz9Solution - CE 3700 Fluid Mechanics Homework Quiz 9...

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Unformatted text preview: CE 3700 Fluid Mechanics Homework Quiz 9 12/2/05 Name: 30' («Hon SHOW ALL WORK AND ALL UNITS. It you use the Moody DiagramI draw your lines on the diagram so the grader can [allow your aggroach. 1. An outboard racing boat is moving at 60 miles per hour over water at 60°F. The bottom of the boat in contact with the water has an average width of 4 it and a length of 9 ft. Find the power required to overcome surface resistance of the water. Power = force x (distance/time). ' 88 5M: F‘M ; ‘7. 1+ hr Re: L0" : 60%X%x-§zas (W) : waxon V LZleo'gp'Z C _ 0.57.3 \SLo i — A us What K é.'-l‘1><Io") éJ-l‘r x107 , -.~ 0, 007317! —- 0,00 0/013 :- 0.00125 2. The head loss per kilometer of 22-cm asphalted cast-iron pipe is 12.6 m. What is the discharge of water? T = 20°C. TXEfi Z Vrbiaiemv ‘/ 3 L R g1; , 1/" 29“:- e ... v L. 3/ w V2. (0.12m) L < 2(Q.8| 41)(Iz.em)> _ ..————- \.00x10 '5— ’000m : 6.13 MoLt _ 4&5 = 0.\1mm t 0.006311% § 0,000 \2m 0 00055. S median CE 3700 Fluid Mechanics Homework Quiz 9 12/2/05 Name: SHOW ALL WORK AND ALL UNITS. It you use the Moody DiagramI draw your lines on the diagram so the grader can follow your aggroach. 1. An outboard racing boat is moving at 50 miles per hour over water at 60°F. The bottom of the boat in contact with the water has an average width of 5 ft and a length of 10 ft. Find the power required to overcome surface resistance of the water. Power— - force x (distance/time). 73 3 Fat/5 W Re. 2 M01: _, 50 ml. A sliofi‘x ”w X ()0 fl) \r ’ “" 43,: em WW..- I u a I? if 6 :5 6-015”? ' 'CrF ' 0513 I LCM) M1(0~Dex6-ormo*) 6-‘oi2uo'7' : 0-0012? -— 000002.53 : O-oozle this : me» W: (.W.) [The] 2“ 757/44,“an Power : Es M0 ; t, lb'H‘ IP : was“)? ’1’ 55015:? 2. The head loss per kilometer of 24-cm asphalted cast-iron pipe is 13.2 In. What is the discharge of water? T = 20°C. Etc; 2— FYGUGM v #2. 133°”- 23 “71‘: IL 0 3/2. [/2' : (0‘1“!) l(fi»91MIs’—)@Z~9—M) I-omaegflz (Doom 5 I: ‘S‘v‘PB—xm‘1 g .— 0. [1M : 0 00012.. {H ' ks .— 0.00011. _ o 0005’ D 0~1W v : km 13 A 03'9'N0‘1wxmmm MR9 fill (0,0’8-DC1000M) :2 l-gé m/S Q f7 VA :1 (p.35 ml&)[_£:ZO-lqm):7 2 o— 089?”)3 LAW] 0' ow: CE 3700 Fluid Mechanics Homework Quiz 9 12/2/05 Name: 3 W SHOW ALL WORK AND ALL UNITS. It you use the Moody Diagramz draw your lines on the diagram so the grader can [allow your aggroach. 1. An outboard racing boat is moving at 70 miles per hour over water at 60°F. The bottom of the boat in contact with the water has an average width of 3 ft and a length of 8 ft. Find the fixer required to overcome surface resistance of the water. Power: forcex (distance/time). (k R - (Lox _ (are mnam X $290 “7 x ”W (37:5 e , ,— T 1 ”fit". 36003 1. 29. No“: data/s RC ; Q, #3 x maL Cg ._ 0513 _ 1:20 [01(0'06 QtL) Key : 0‘§’—3 :520 ”1906;: ewmfij 6*?3M05L 2 0' 002-26— 0. 000022 : O'OO&92L\ 1:6 : C; E (‘ffiat F ' 0‘0 2 9 SW39 I “9:6 Ioz-6-7- 46$)1 5 I OQ‘M [b Lr 73x _____7517)( (3%x7—fik) /<‘>(Vfi 2’_ F3) , $99M Hg!» :3 sso 1143 Powen : F3140 : 5%9167 Home x 10926? 735/3 - 5— .7 ”Di” (5P , 94% t 52 (Sf—W E ”—3"- \l 1026/ :5 Io; Hp 2. The head loss per kilometer of ZO-Cm asphalted cast-iron pipe is 12.2 m. What is the discharge of water? T = 20°C. 73%; ‘1» PYo‘ole/fl RC—Fu/L : Sili( 0235”,)”; \f L 3/; 1/2, ; (0‘10) @x 7.8; ran/62— x Iz-zm 0”]ng ”fife-”LL )000 m s : J'I' 3;)“6‘1 is 3 (“mam ; 0.00060 D 0'10 no firm MOOGLJ anjm/n (4:73 ’07,), ‘recd ‘(3’ : 0-010! , LJLE. “1'?sz V : M: D 13 _ ) UZ'lmMoaova—Narsi m/s‘L H F (0-0/0Uooom) V V : 7'5? 57/5 62 ; VA = (,.:gm;s)[gto.zom)j : 0.0% mas W O'OBmL ...
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