A pure copper is to be heated for casting a large plate in an open mold. The plate has dimensions: length = 50cm, width = 25cm, and thickness = 7cm. Compute the amount of heat that must be added to the metal to heat it to a temperature of 1176°C for pouring. Assume that the amount of metal heated will be 10% more than what is needed to fill the mold cavity. Properties of the metal are: density = 8.94 g/cm3, melting point = 1082°C, specific heat of the metal = 410 J /kg C° in the solid state and 376 J/Kg C° in the liquid state, and heat of fusion = 186 J/g.
A pure copper is to be heated for casting a large plate in an open mold. The plate has dimensions: length = 50cm, width = 25cm, and thickness = 7cm. Compute the amount of heat that must be added to the metal to heat it to a temperature of 1176°C for pouring. Assume that the amount of metal heated will be 10% more than what is needed to fill the mold cavity. Properties of the metal are: density = 8.94 g/cm3, melting point = 1082°C, specific heat of the metal = 410 J /kg C° in the solid state and 376 J/Kg C° in the liquid state, and heat of fusion = 186 J/g.
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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6- A pure copper is to be heated for casting a large plate in an open mold. The plate has dimensions: length = 50cm, width = 25cm, and thickness = 7cm. Compute the amount of heat that must be added to the metal to heat it to a temperature of 1176°C for pouring. Assume that the amount of metal heated will be 10% more than what is needed to fill the mold cavity. Properties of the metal are: density = 8.94 g/cm3, melting point = 1082°C, specific heat of the metal = 410 J /kg C° in the solid state and 376 J/Kg C° in the liquid state, and heat of fusion = 186 J/g.
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