If 5.0 cubic metres/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 mass of air flowing?

If 5.0 cubic metres/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 mass of air flowing?







a) 5.94 kg/sec

b) 6.84 kg/sec

c) 5.0 kg/sec

d) 6.2 kg/sec

e) 5.4 kg/sec





Answer: A


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