u@X(TFNZ^D!6cmH=uW% WĖNBJV*JcϺ؈s7.yZw Us.J"#jUɬh%JCAD*\~Q|߁*3 rIwQ̑5L=J6Ύ(cAP[qEf`xQB̑q5ٺK%UVg~ݣ$%%|z'w0=;P%_%ﶿn\[E'`3`⟐}]Df\)õi#jpˈuPyzHu@3|%eQX`12~<#jp/u뮁(yv<R#/EPa~)s^o(J6sɗ<3|y9o%[=IuקƺC.y: IDw%/Uǘg~%gPPѵ.w דy(E1jp[+~irs'"icZ uRco%q1jpe]'ɐKv|!8d@9C1jpi}VJ \\8SwhHF*pbP_?Pi[gQdߎiݴN m*?u%E>:uނx=5<"K!m昽͟?ˑK@{Lx&\]r I|3ԇ{yc;GnŮs(~!pzDrI(h?ƁdLXV1HH&aɤsDͷ ?\L\ܚG!SbA2̦ĒL&`'vF2O%{1cdLJ_I%,8$dJlH&*vaQQιXSݨ!2"%HVi[=z$*%v$w qH:QSջ\ =ȕJx,"%$KJdsFH6/J8L~ j0 ڀnΥNNFĺy hָXV8b3dGBč=GxHHph* (g*!.P( Ln%7FāĞJRHr U`> /dҟt$]%ߎJơxSILhnJBďĕLa@R]+Q(aB:n$cd%!$d2Q&]L$t*&$ĭ* "q&ň:zܡJF S jp*D%$a,cD&ijd}k\\Hf7#wvX NFqqx~GW[2I5ڇFR|.B2ygTB$I n.1҈`Ql\~Ws{ ("2\lb01!&KwWP#%`$}*A&6'ݏzs6t \|HXehH$dj:%T(6: qi$oz c<$$z3r$̋d̑ky!M6y8u 2V܌IUNLHJR3HSS!)N 3ړ v..$@%H&G.+df}I[f$ \ FPdz]q&5H4sD#+A2Wt;IwGRn*CI$uMx!S뿅9Iflx7N$i"(Ff{o.!@U`H K]Ũ$s3`~%i.$%-?:z=T2$a[=fCbWlP^vOvL2!YcNXG2{o0jW# ALH7sؔ,|x^r!2Wϳʸ "9 nʉĢdH}XGСCﻘڡ{6\"9IV$#Qr~pBfd̙dP"HZAoZڸ}x=HyF,-uvP"HԺ$yޙ>aGxU{llf\/n': 0WÆ8V?<$Wk's#ϸIh _xW}_f除?$QᗍK5κQ A)9;%WH[ʽ./"@IZ%w[H~`p\;_y$#] :IsU|yIFJ4uɝEɨF|Ϸ+A %2FQ21"̦D`m,JpHDhǈ|0S (4JHDhǈ|0] (4hJHDhǈ|$Dh#SDvS$!%2FEIQ21"SD`mZ%HDhǈ|FI2Q"i#%#*%HDF`(6SBS"!FA>?n آ!}i$#5%`Z7!GM&Qz;N'q+4ڤ%]d#.(e'\>."4eEbaIENDB` Mediaeval``*b0 0DSymbolediaeval``*b0@. @n?" dd@ @@`` 8c # ) !"#$%&'()*+,-./01234Ob$Ԗx|b$4y8gOkb$-+BT*+?~ (b$ל .P1hD5Az3`AfAԔ@S[ʚ;2Nʚ;g4<d<d,-b0ppp@<4dd,i0`d*<4dddd,i0`d*<4BdBd,g0`X80___PPT10 ?% !"#$%&'()9+,-./012345678:;<=>?@ABCDEFGHIJPLMNOQRSTUVWXYZ[\]^_`abcdemfghijklT0( \ 0l@` B V18.12.11. Which one of the following statements concerning emissivity is false? a) Emissivity depends on the condition of the surface. b) Emissivity is a dimensionless quantity. c) Emissivity depends on the surface area of the object. d) The emissivity is 1.0 for a perfect absorber. e) The emissivity is 1.0 for a perfect radiator.t; / # 5 ) @`H 0h ? ̙330vn( j BfԔ?2/r \ 0Df@` B V18.12.11. Which one of the following statements concerning emissivity is false? a) Emissivity depends on the condition of the surface. b) Emissivity is a dimensionless quantity. c) Emissivity depends on the surface area of the object. d) The emissivity is 1.0 for a perfect absorber. e) The emissivity is 1.0 for a perfect radiator.t; / # 5 ) @`H 0h ? ̙330]( % 0"@` 18.12.12. Which one of the following statements concerning the Stefan-Boltzmann equation is true? a) The equation can be used to calculate the power absorbed by any surface. b) The equation applies only to perfect absorbers. c) The equation applies only to perfect radiators. d) The equation is valid with any temperature units. e) The equation describes the transport of thermal energy by conduction. @`H 0h ? ̙330?7( j BfԔ?L% 0t@` 18.12.12. Which one of the following statements concerning the Stefan-Boltzmann equation is true? a) The equation can be used to calculate the power absorbed by any surface. b) The equation applies only to perfect absorbers. c) The equation applies only to perfect radiators. d) The equation is valid with any temperature units. e) The equation describes the transport of thermal energy by conduction. @`H 0h ? ̙33i0( 0T@` 18.12.13. The three objects shown have machined out of a block of brass. The cube and pyramid have sides of length L. The sphere has a radius equal to L. The three objects are all maintained at the same temperature T that is much hotter than that of the surroundings and they are sitting on a thermally insulating slab. Which object(s) exhibit(s) the greatest rate of radiative heat transfer? a) cube only b) pyramid only c) sphere only d) cube and sphere e) cube and pyramidVt$@>J m @`R C*Arq181213]H 0h ? ̙330@( 0D@` 18.12.13. The three objects shown have machined out of a block of brass. The cube and pyramid have sides of length L. The sphere has a radius equal to L. The three objects are all maintained at the same temperature T that is much hotter than that of the surroundings and they are sitting on a thermally insulating slab. Which object(s) exhibit(s) the greatest rate of radiative heat transfer? a) cube only b) pyramid only c) sphere only d) cube and sphere e) cube and pyramidVt$@>J m @`R C*Arq181213]j BfԔ? 86H 0h ? ̙33b0 ( j BfԔ?PtH 0h ? ̙330]( % 0D\^@` 18.12.12. Which one of the following statements concerning the Stefan-Boltzmann equation is true? a) The equation can be used to calculate the power absorbed by any surface. b) The equation applies only to perfect absorbers. c) The equation applies only to perfect radiators. d) The equation is valid with any temperature units. e) The equation describes the transport of thermal energy by conduction. @`H 0h ? ̙33b0 ( j BfԔ?PtH 0h ? ̙330]( % 0H@` 18.12.12. Which one of the following statements concerning the Stefan-Boltzmann equation is true? a) The equation can be used to calculate the power absorbed by any surface. b) The equation applies only to perfect absorbers. c) The equation applies only to perfect radiators. d) The equation is valid with any temperature units. e) The equation describes the transport of thermal energy by conduction. @`H 0h ? ̙33b0 ( j BfԔ?PtH 0h ? ̙330 ]( % 0ɓ@` 18.12.12. Which one of the following statements concerning the Stefan-Boltzmann equation is true? a) The equation can be used to calculate the power absorbed by any surface. b) The equation applies only to perfect absorbers. c) The equation applies only to perfect radiators. d) The equation is valid with any temperature units. e) The equation describes the transport of thermal energy by conduction. @`H 0h ? ̙33b0 0( j BfԔ?PtH 0h ? ̙33r@Fajd8h]knesHxy|A~fЂmF_1( /00DTimes New Roman``*b0DTimesNew Roman``*b0 DTrump Mediaeval``*b0 0DSymbolediaeval``*b0@. @n?" dd@ @@`` 8b # ) !"#$%&'()*+,./01234Ob$Ԗx|b$4y8gOkb$-+BT*+?~ (b$ל .P1hD5Az3`AfAԔ@S[ʚ;2Nʚ;g4>d>d,-b0ppp@<4dd,i0`d*<4dddd,i0`d*<4BdBd,g0`X80___PPT10 ?% !"#$%&'()9+,-./012345678:;<=>?@ABCDEFGHIJPLMNOQRSTUVWXYZ[\]^_`abcdemghijklrˇg¡1( /00DTimes New Roman``*b0DTimesNew Roman``*b0 DTrump Mediaeval``*b0 0DSymbolediaeval``*b0@. @n?" dd@ @@`` 8b # ) !"#$%&'()*+,./01234Ob$Ԗx|b$4y8gOkb$-+BT*+?~ (b$ל .P1hD5Az3`AfAԔ@S[ʚ;2Nʚ;g4<d<d,-b0ppp@<4dd,i0`d*<4dddd,i0`d*<4BdBd,g0`X80___PPT10 ?% !"#$%&'()9+,-./012345678:;<=>?@ABCDEFGHIJPLMNOQRSTUVWXYZ[\]^_`abcdemghijkl0IA( 0D\^@` A18.12.14. The space between the inner walls of a thermos bottle (sometimes called a Dewar flask) is evacuated to remove the air that would otherwise be there. Why is this evacuation done? a) This is done to minimize heat transfer by radiation. b) This is done to protect the wall of the bottle that is silvered. c) This is done to minimize heat transfer by conduction and radiation. d) This is done to increase the specific heat capacity of the bottle. e) This is done to minimize heat transfer by conduction and convection. @`H 0h ? ̙330K( j BfԔ?L# 0=@` A18.12.14. The space between the inner walls of a thermos bottle (sometimes called a Dewar flask) is evacuated to remove the air that would otherwise be there. Why is this evacuation done? a) This is done to minimize heat transfer by radiation. b) This is done to protect the wall of the bottle that is silvered. c) This is done to minimize heat transfer by conduction and radiation. d) This is done to increase the specific heat capacity of the bottle. e) This is done to minimize heat transfer by conduction and convection. @`H 0h ? ̙33r hҡ1( /00DTimes New Roman``*b0DTimesNew Roman``*b0 DTrump Mediaeval``*b0 0DSymbolediaeval``*b0@. @n?" dd@ @@`` 8^ # ) !"#$%&'()*+,./4Ob$Ԗx|b$4y8gOkb$-+BT*+?~ (b$ל .P1hD5Az3`AfAԔ@S[ʚ;2Nʚ;g4>d>d,-b0ppp@<4dd,i0`d*<4dddd,i0`d*<4BdBd,g0`X80___PPT10 ?%, !"#$%&'()9+,-./012345678:;<=>?@ABCDEFGHIJPLMNOQRSTUVWXYZ[\]^_`abcdemghrhh1( /00DTimes New Roman`` ub0DTimesNew Roman`` ub0 DTrump Mediaeval`` ub0 0DSymbolediaeval`` ub0@. @n?" dd@ @@`` 8^ # ) !"#$%&'()*+,./4Ob$Ԗx|b$4y8gOkb$-+BT*+?~ (b$ל .P1hD5Az3`AfAԔ@S[ʚ;2Nʚ;g4>d>dԁb0ppp@<4dd,i0`t<4dddd,i0`t<4BdBd,g0`X80___PPT10 ?%, !"#$%&'()9+,-./012345678:;<=>?@ABCDEFGHIJPLMNOQRSTUVWXYZ[\]^_`abcdemgh0G?P( j BfԔ?.- 08@`>( 18.6.5. Which one of the following statements explains why it is difficult to measure the coefficient of volume expansion for a liquid? a) Liquids are more compact than gases. b) The liquid will lose heat to the containing vessel. c) Liquids tend to expand more slowly than solids. d) Liquids are more compact than solids. e) The volume of the containing vessel will also increase. @`H 0h ? ̙33r#.x1( /00DTimes New Roman`` ub0DTimesNew Roman`` ub0 DTrump Mediaeval`` ub0 0DSymbolediaeval`` ub0@. @n?" dd@ @@`` 8^ # ) !"#$%&'()*+,./4Ob$Ԗx|b$4y8gOkb$-+BT*+?~ (b$ל .P1hD5Az3`AfAԔ@S[ʚ;2Nʚ;g4>d>dԁb0ppp@<4dd,i0`t<4dddd,i0`t<4BdBd,g0`X80___PPT10 ?%, !"#$%&'()9+,-./012345678:;<=>?@ABCDEFGHIJPLMNOQRSTUVWXYZ[\]^_`abcdemghrh1