An iron grade has a melting point of 2200°F. Its specific heat = 0.11 Btu/lbm°F, and its heat of fusion = 56.2 Btu/lbm. A 150-lbm block of this cast iron is to be melted. Determine how much heat is required to raise its temperature from 70°F to its melting point and transform it from the solid to liquid phase
An iron grade has a melting point of 2200°F. Its specific heat = 0.11 Btu/lbm°F, and its heat of fusion = 56.2 Btu/lbm. A 150-lbm block of this cast iron is to be melted. Determine how much heat is required to raise its temperature from 70°F to its melting point and transform it from the solid to liquid phase
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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An iron grade has a melting point of 2200°F. Its specific heat = 0.11 Btu/lbm°F, and its heat of fusion = 56.2 Btu/lbm. A 150-lbm block of this cast iron is to be melted. Determine how much heat is required to raise its temperature from 70°F to its melting point and transform it from the solid to liquid phase. Do not use a comma in your answer.
Recall:
Required heat H = mC(Tm – Ta) + mHf
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