Using Fig. 4-1, Draw a conclusion about the comfort of mixed group of men and women in typical seasonal clotthing, with sedentary activity for the following cases: (a) Summer, Operative temperature 24 °C, wb 18 °C. It is OComfortable OToo warm OToo Dry (b) Winter, Operative temperature 24 °C, wb 18 °C. It is OToo warm OComfortable OToo Dry (c) Summer, Operative temperature 23 °C, dp 10 °C. It is OComfortable OToo warm OToo Dry (d) Winter, Operative temperature 22 °C, dp 1 °C. It is OToo Dry OComfortable OToo warm wa ma 15 55 of 30 st 68°F (20°C) 70 80 25 Operative temperature 20 50% 36% 79°F (26°C) 40.015 30 C 0.010 0.005 Joo 90 F Pumidity ratio Figure 4-1 Acceptable ranges of operative temperature and humidity for people in typical sum mer and winter clothing during light and primarily sedentary activity (5 1.2 met) (Reprinted by permission from ASHRAE Standard 55-1992)

Using Fig. 4-1, Draw a conclusion about the comfort of mixed group of men and women in typical seasonal clotthing, with sedentary activity for the following cases: (a) Summer, Operative temperature 24 °C, wb 18 °C. It is OComfortable OToo warm OToo Dry (b) Winter, Operative temperature 24 °C, wb 18 °C. It is OToo warm OComfortable OToo Dry (c) Summer, Operative temperature 23 °C, dp 10 °C. It is OComfortable OToo warm OToo Dry (d) Winter, Operative temperature 22 °C, dp 1 °C. It is OToo Dry OComfortable OToo warm wa ma 15 55 of 30 st 68°F (20°C) 70 80 25 Operative temperature 20 50% 36% 79°F (26°C) 40.015 30 C 0.010 0.005 Joo 90 F Pumidity ratio Figure 4-1 Acceptable ranges of operative temperature and humidity for people in typical sum mer and winter clothing during light and primarily sedentary activity (5 1.2 met) (Reprinted by permission from ASHRAE Standard 55-1992)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

please help me quickly I need your help necessary

Using Fig. 4-1, Draw a conclusion about the comfort of mixed group of
men and women in typical seasonal clotthing, with sedentary activity
for the following cases:
(a) Summer, Operative temperature 24 °C, wb 18 °C.
It is
OComfortable
OToo warm
OToo Dry
(b) Winter, Operative temperature 24 °C, wb 18 °C.
It is
OToo warm
OComfortable
OToo Dry
(c) Summer, Operative temperature 23 °C, dp 10 °C.
It is
OComfortable
OToo warm
OToo Dry
(d) Winter, Operative temperature 22 °C, dp 1 °C.
It is
OToo Dry
OComfortable
OToo warm
Dew point
15
55
&1050
45
540
O
35
30
60
100%
RH
68°F
(20°C)
70
80
20
25
Operative temperature
50%
36%
79°F
(26°C)
40.015
30 C
0.010
0.005
Joo
90 F
Pumidity ratio
Figure 4-1 Acceptable ranges of operative temperature and humidity for people in typical sam
mer and winter clothing during light and primarily sedentary activity (5 1.2 met). (Reprinted by
permission from ASHRAE Standard 55-1992)

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