=+4-2.

Using Fig. 4-1. draw a conclusion about the comfort of a mixed group of men and women in typical seasonal clothing, with sedentary activity for the following cases:

(a) Summer, operative temperature 24 C, wb 18 ℃

(b) Winter, operative temperature 24 C, wb 18 C

(c) Summer, operative temperature 23 C, dp 10 C

(d) Winter, operative temperature 22 C. dp 1 C