In a foundry, metal castings are cooled by quenching in an oil bath. Typically, a casting weighing
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In a foundry, metal castings are cooled by quenching in an oil bath. Typically, a casting weighing 20 kg and at a temperature of 450◦C is cooled by placing it in a 150-kg involatile oil bath initially at 50◦C. If CP of the metal is 0.5 J/(kg K), and CP of the oil 2.6 J/(kg K), determine the common final temperature of the oil and casting after quenching if there are no heat losses. Also, find the entropy change in this process.
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Related Book For
Chemical Biochemical And Engineering Thermodynamics
ISBN: 9780470504796
5th Edition
Authors: Stanley I. Sandler
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