A window has dimensions of 1.75 m by 2.65 m and is made of glass 7 mm thick. On a winter day, the outside temperature is 23° C while the inside temperature is a comfortable at 16.5° C. (k of glass =0.105W/m.K) (1.5+1.5+2 = 5marks) Calculate the following: a) the area of the window in square metres Answer for part 1 . b) the temperature gradient (ΔT/Δx)in kelvin/metre Answer for part 2 . c) the rate of heat lost through the window by conduction in watts/metre.kelvin Answer for part 3
A window has dimensions of 1.75 m by 2.65 m and is made of glass 7 mm thick. On a winter day, the outside temperature is 23° C while the inside temperature is a comfortable at 16.5° C. (k of glass =0.105W/m.K) (1.5+1.5+2 = 5marks) Calculate the following: a) the area of the window in square metres Answer for part 1 . b) the temperature gradient (ΔT/Δx)in kelvin/metre Answer for part 2 . c) the rate of heat lost through the window by conduction in watts/metre.kelvin Answer for part 3
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 10CQ: For each of the following scenarios, refer to Figure 1.4 and Table 1.2 to determine which metric...
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A window has dimensions of 1.75 m by 2.65 m and is made of glass 7 mm thick. On a winter day, the outside temperature is 23° C while the inside temperature is a comfortable at 16.5° C. (k of glass =0.105W/m.K) (1.5+1.5+2 = 5marks)
Calculate the following:
a) the area of the window in square metres
Answer for part 1
.
b) the temperature gradient (ΔT/Δx)in kelvin/metre
Answer for part 2
.
c) the rate of heat lost through the window by conduction in watts/metre.kelvin
Answer for part 3
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