Exam 2 2013 Selected Answers
2)
3)
4)
a)
T = 99.63C
b)
m(dot) = 45.12 kg/s
c)
x = 0.656
d)
x is higher (assuming that the enthalpy change was incorrect and Q is still 0)
a)
A = 4.24 m2
b)
173.9 m/s
a)
2.99 kg/s
b)
-124.1 kW
c)
391.2 K
Exam 2 Fall 2015
Problem 1:
Solution
a.) The mass flow rate of air in kg/s:
Pv =RT
=
1
100000
=
=
= 1.161 3
287 (273.15 + 27)
= = 0.581
b.) The rate of heat transfer of the compressor:
= = 0.581
c.) The exit temperature, in C:
(22.5 ) = 13.073
= ( )
Exam 1 2013 Selected Answers
1)
2)
3)
a)
v = 0.0211 m3/kg, u = 2780 kJ/kg
b)
x =0.735, p = 1.014 bar, h = 2080 kJ/kg
c)
T = 293C, v= 0.254 m3/kg
d)
v = 0.183 m3/kg, h= 1210 kJ/kg
b)
966.1 kJ/kg
c)
502.2 kJ/kg
d)
4830 kJ/kg
e)
0.181
b)
W = 439 kJ, Q = 4700
Matthew Glynn Engineering Seminar Homework #6
A. #13 Determine whether your university has a student code of conduct. If it does, obtain a copy and review the list of actions that warrant disciplinary action. The College of Engineering at my univers
Matthew Glynn Engineering Seminar Homework #6
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