Problems:

4.13
4.24
4.30
4.46
4.84a	NOTE: T3 should be 30oC (correct in the 2nd printing of the 4th edition.)

Answers:

4.13	velocity1 = 3.742 m/s;   d2 = 0.6 cm
4.24	velocity2 = 664.1 m/s;   A1 = 0.0017 m2;   A2 = 0.0006 m2
4.30	answers coming soon...
4.46	answers coming soon...
4.84a	Qcomp-dot = - 21.48 kJ/min

Hints:
problem 4.84 -- look at each device separately
          for the Throttling Valve h₃ = h₄

You may want to follow these steps

• Read EACH word.
• Draw some pictures (one for each state).
• Write the given information under each picture.
• Write what you know about the process.
• Write what it is you are to find.
• DRAW the process on a p-v plot.
• Write write the equations you are to use (or might want to use).
• If necessary, find the phase at each state.
• Be sure to indicate which tables you are using.

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