Simple question on Thermodynamics: A 30-lb iron casting, initially at 600°F, is quenched in a tank filled with 2121 lb of oil, initially at 80°F. The iron casting and oil can be modeled as incompressible with specific heats 0.10 Btu/lb · °R, and 0.45 Btu/lb · °R, respectively. (a) For the iron casting and oil as the system,determine the final equilibrium temperature, in °F. (Ignore heat transfer between the system and its surroundings.) (b) For the iron casting and oil as the system,determine the amount of entropy produced within the tank, in Btu/°R. (Ignore heat transfer between the system and its surroundings.)
Simple question on Thermodynamics: A 30-lb iron casting, initially at 600°F, is quenched in a tank filled with 2121 lb of oil, initially at 80°F. The iron casting and oil can be modeled as incompressible with specific heats 0.10 Btu/lb · °R, and 0.45 Btu/lb · °R, respectively. (a) For the iron casting and oil as the system,determine the final equilibrium temperature, in °F. (Ignore heat transfer between the system and its surroundings.) (b) For the iron casting and oil as the system,determine the amount of entropy produced within the tank, in Btu/°R. (Ignore heat transfer between the system and its surroundings.)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 30-lb iron casting, initially at 600°F, is quenched in a tank filled with 2121 lb of oil, initially at 80°F. The iron casting and oil can be modeled as incompressible with specific heats 0.10 Btu/lb · °R, and 0.45 Btu/lb · °R, respectively.
(a) For the iron casting and oil as the system,determine the final equilibrium temperature, in °F.
(Ignore heat transfer between the system and its surroundings.)
(b) For the iron casting and oil as the system,determine the amount of entropy produced within the tank, in Btu/°R.
(Ignore heat transfer between the system and its surroundings.)
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