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1. A steel plate 2cm thick has a cross sectional area of 0.5m“. The surface at one side is at 150°C and the other surface is at 140°C. What is the rate of heat transfer in watts? Answer: 12,500W

1. A steel plate 2cm thick has a cross sectional area of 0.5m“. The surface at one side is at 150°C and the other surface is at 140°C. What is the rate of heat transfer in watts? Answer: 12,500W

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Answer these two questions please
II. Problem Solving Solve the following problems with complete solutions. 1. A steel plate 2cm thick has a cross sectional area of 0.5m². The surface at one side is at 150°C and the other surface is at 140°C. What is the rate of heat transfer in watts? Answer: 12,500W 2. Calculate the thermal conductivity of a wood used in 1.22m x 1.22m test panel, 2.54 cm thick if the heat conducted through the wood is 36W with a temperature difference of 6°C. Answer: 0.102 W/m-°C
Transcribed Image Text:II. Problem Solving Solve the following problems with complete solutions. 1. A steel plate 2cm thick has a cross sectional area of 0.5m². The surface at one side is at 150°C and the other surface is at 140°C. What is the rate of heat transfer in watts? Answer: 12,500W 2. Calculate the thermal conductivity of a wood used in 1.22m x 1.22m test panel, 2.54 cm thick if the heat conducted through the wood is 36W with a temperature difference of 6°C. Answer: 0.102 W/m-°C
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