If 5.0 cubic metres per second of air enters a heating coil at 20 degrees C dry-bulb and 15 degrees C wet bulb, and leaves the heating coil at 30 degrees C dry bulb, what is the volume of air leaving the coil?
a) 5.94 cubic metres per second
b) 5.0 cubic metres per second
c) 5.17 cubic metres per second
d) 4.2 cubic metres per second
e) 5.72 cubic metres per second
Answer: C