ENSC 2213 Thermodynamics Exam 1 - Problems and Solutions - Prof. Arland Johannes, Exams of Thermodynamics

Download ENSC 2213 Thermodynamics Exam 1 - Problems and Solutions - Prof. Arland Johannes and more Exams Thermodynamics in PDF only on Docsity! ENSC 2213 Thermodynamics EXAM 1 I 2-6-09 NAME _ (25) Problem 1. A container contains 1.2 moles of liquid water (l\l\V=18.0 g/mole, p = 999 kglm3) and has a temperature of 42°F. Calculate the following: . a) The temperature in oR 4r..o't- !.f"L°f "-1507.-' R) b) The temperature in oK c) The mass of the water in grams c) The weight of the water 1br \/1-:.. '04,1. 1)(",J}'l... ~ #/~ :::.l.Olbfo \,-i.\. 1. \:p... t£.i I L.l _~p; l'o~~ L-. ~ f) The weight of the water in newtons g) The number oflbmo1es. \.1;-Y\'~~l-¥~~~ 1.~'dQ-) Ibl")~S h) The specific weight in Ibr/ft3 / .•~~~~ ::~q,~U<.j:l~s~ ~.. )'L.M ~ ••~ \\,t-~~ i) The molecular weight in lbm/1bmo1e \ J"oole. 'l.l ..xIO-s I\'t"'b\ 2 El\'SC 2213 Thermodynamics EXAM 1 !2-6-09 NAME _ ~ ..~ Problem 2. In the figure below, pipe A contains gasoline (5G=0.65) and has a pressure of 200 kPa. Pipe B contains water and has a pressure of 190 kPa. Assuming mcrcury has a density of 13,300 kg!m3, calculate the value orh in metcrs . . 4"1 ,-- 71 1 ; 0.3,,, , . G:J.soline.. I • CS":'6 , D I, ?4 +l.~t~)'ii~"-h~f'\..r(~t:~)~~p~ : j MeJ":Llrv .•~0 (25) ~) ~ t'ofa 1:Y,,~ ~r'I :: I'),) "'i,.; Pr.:.-~A--:. .)~~ +\''6~ - h'3.•..+ ~oIVh l-.)~1J r~-rA-')~~-.)~",:: hl!\~- ~""+-~IJ) . I~O\(fA - ).00 l<PA - .)lGso"t•.•') - .)(..\OOo,.l(i•••~ - 10 (~~ - LJ'I~ Kif"''.> I fa "5C.'" Ky;o\ 3