Engineering, 26.07.2019 20:10 tannercarr3441
Abuilding has a net space heating load of 100,000 btu/hr. if the combined piping and pickup alowance is 15%, what a)- 100,000 btu/hr b)- 115,000 btuhr c)- 130,000 btu/hr d)- none of the above
Answers: 2
Engineering, 04.07.2019 18:10, johnthienann58
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10, lowkeyqueenk
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
Answers: 1
Abuilding has a net space heating load of 100,000 btu/hr. if the combined piping and pickup alowance...
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