One end of a long rod is inserted into a furnace while the other end projects...
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One end of a long rod is inserted into a furnace while the other end projects into ambient air. Under steady state the temperature of the rod is measured at two points 75mm apart and found to be 125°C X500) and 88.5°C respectively while the ambient temperature is 20°C. if the rod is 25mm in 278 diameter and heat transfer coefficient for air is 23.36 W/m²K, the thermal conductivity of rod material in W/mK is (a) 101.1 (c) 113.2 (b) 115.2 (d) 150 One end of a long rod is inserted into a furnace while the other end projects into ambient air. Under steady state the temperature of the rod is measured at two points 75mm apart and found to be 125°C X500) and 88.5°C respectively while the ambient temperature is 20°C. if the rod is 25mm in 278 diameter and heat transfer coefficient for air is 23.36 W/m²K, the thermal conductivity of rod material in W/mK is (a) 101.1 (c) 113.2 (b) 115.2 (d) 150
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Related Book For
Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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