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Air at 26 deg dry bulb and 21 deg. wet bulb flows along a cylindrical duct of 650 mm diameter at a rate of 5 m/s. At centre of duct it passes over a cooling coil at 13 deg C, exing at 22 deg C at a velocity of 3 m/s. Calculate:
a) The mass flow of dry air at entry in kg/sec
b) The RH of air leaving the coil,
c) Moisture removed by cooling in kg/h
d) The amounts of sensible and latent heat transferred.
e) The diameter of the exit duct.