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3. A ceramic insulator is backed at 200° C and cooled in a room in which the temperature is 25° C. After 4 minutes the temperature of the insulator is 100° C. Find the time in minutes when the temperature is measured at 50° C, 40° C and 30° C, respectively. Then find the approximate time when the insulator

Related Book For  answer-question

Thermodynamics An Engineering Approach

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

ISBN: 978-0073398174