Exam 1 Problems with Answer Key - Thermodynamics | ENSC 2213, Exams of Thermodynamics

Download Exam 1 Problems with Answer Key - Thermodynamics | ENSC 2213 and more Exams Thermodynamics in PDF only on Docsity! ENSC 2213 ThermodynamicsEXAM112-11-11 NAME_ttY (25) Problem I. A container contains 100 Ibmof liquid ethanol (MW=46.07 Ibm/lbmole, p = 49.2 Ibm/ftl) and has a temperature of 25°F. Calculate the following and show your calculations: a) The temperature in oR and in OK. 'Z{Of /- '1100 :o{,-U> 0 ~ ~8~~~ 0 j.f:£ -::. 2 b~, 1./ I< b) The number "61-lbmoles of ethanol. /00 /b"" -ti b ,0' !!:::-.. IhrM¥t.. c) The number of kgmoles of ethanol. 2 , /? n ,M.' (flJ " ,'1'7 7 6% ;6 ..• d) The mass density of the ethanol in kg/ml, L../ 7', L / 6,., , /10; 0 t ~ k-~, /1" I I! •••/ - - / .f+" e) The weight of thc cthanol Ibr. I W ~ 'f -=- POb M:>{ 1 f) The weight of the ethanol in newtons, q, "!'IfL tJ 7--- = /t.ft.f'f, !tV / /bf _ ' g) The specific weight in Ibv'ftJ I ~ 'l( 0/9, Z Ii,.. ;; qr:;,2 ,.~... tf~ h) The specific gravity of eth 2 ENSC 2213 Thermodynamics EXAM 1 /2-11-11 NAME_;(e_~y _ / p=2 psi (25) Problem 2. Determine the pressure of the water in pipe A if the pressure of the air in thetanki£~ Air t 1 It T 4 It --L, 2 It --L Water (tMj u,,~ A+ ~ bo.~ "--.J -I 2J!{'. ~ - Lz---~-/-;-/~-~--'-;;::; {1~ )1 br / -_._--_ .._._----- ._---_/ ~ lib-~P~ 1 3