Problem $4$

The dry bulb temperature in a room is $65F$ while the mean radiant temperature is $75F.$ If the dew point temperature is $50F,$

$($a$)$ Determine whether the room satisfies comfort conditions.

$($b$)$ If so$,$ what conditions, i$.$e$.,$ summer, winter or both conditions are satisfied?

$($c$)$ What can be done to get the room to satisfy:

$($i$)$ Only winter conditions?

$($ii$)$ Both summer and winter conditions?

$($iii$)$ Only summer conditions?