Answers to exam I, winter 1997-98

1. There should be about 5 equations and 5 unknowns.

2. V = 5/45 ft/s

3. You must show all work for full credit.  vout = 14.8 m/s

4. There should be about 4 equations and 4 unknowns.  The composition table can be filled in easily using that the sum of the mass fractions must equal 1.