DO

air at 1.013310

Pa pressure blows

dorots

thermometer whose bulb his been covered

with a

dampened wick.

The classical "web bulb'

thermometer Indicates that a steady state

temperature is reached by

unsaturated vapor gas

mixture.

small amount of liquid water evaporating into large reservoir of

The thermometer reads

290 K

at this temperature the

following properties were evaluated:

PA vapor pressure of water 1.94x10

density of air 1.219 kg/m',

H'ino latent heat of

paporization of water 2461 KiKE. Pr 0.7? sc 06Y and"'%, specinc heat capacity of air 1006

Jkg. K.

What is the temperature of the dry air?