thermo tutorial october tce 2104
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7/24/2019 Thermo Tutorial October TCE 2104
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NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
FACULTY OF INDUSTRIAL TECHNOLOGY
BACHELOR OF ENGINEERING (HONS) DEGREE
TCE 2104 Engineering Thermodn!mi"# T$%ori!& 1
1. Find values !" #$e "esidual en#$al%& HR and #$e "esidual en#"!%& SR !" n'u#ane as a#
*++, and *+ a" as iven & #$e Redli-$,/!n e0ua#i!n. De"#eine #$e va%!u"
%"essu"e (in 23a) !" li0uid n'$e4ane a# +5 6+5 7+ and 8+9C:a. Usin #$e An#!ine e0ua#i!n
. F"! #$e Lee,esle" -!""ela#i!n !" 3" sa#.
;. Su%e"$ea#ed s#ea !"iinall& a# 31 and T1 e4%ands #$"!u$ a n!<<le #! an e4$aus#
%"essu"e 3;. Assuin #$e %"!-ess is "eve"sile and adiaa#i-5 de#e"ine #$e d!/ns#"ea
s#a#e ! #$e s#ea and =H !" #$e !ll!/in -!ndi#i!ns:
i. 31 > 1+++23a5 T1 > ;*+9C and 3; > ;++23a.ii. 31 > 1*+(%sia)5 T1 > *++9F and 3; > *+(%sia).
6. De"ive #$e ?a4/ell e0ua#i!ns -lea"l& s$!/in ea-$ s#ae ! a#$ea#i-al
-!%u#a#i!nal.
@. Devel!% "ela#i!ns a%%"!%"ia#e #! #$e in-!%"essile luid (/$i-$ is e%l!&ed in luid
e-$ani-s)5 a !del luid !" /$i-$ !#$ and a"e <e"!.*. S$!/ "! i"s# %"in-i%les #$a#
A12+2( A21− A12) x1
γ 1= x
2
2 ¿ln
¿
A21+2( A12− A21) x2
γ 2= x
1
2 ¿ln ¿
7. Es#ia#e 5 U5 H and S !" 1'u#ene va%!u" a# ;++9C and +a" i H and S a"e se# e0ual #!
<e"! !" sa#u"a#ed li0uid a# +9C. assue #$a# #$e !nl& da#a availale a"e:T- > @;+, 3- > @+.@6 a" > +.181 Tn > ;77.8,
C Pig=1.967+31.630×10
−3T −9.837×10
−3T
2
. S#a#e Ra!ul#s la/ and e4%lain i#s sinii-an-e in va%!u" li0uid e0uili"iu s#udies.
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