In a process of metal casting, the final product’s volume is 1275 cm3. Casting waste, scrap allowance, and shrinkage allowance are 8%, 12%, and 3.5%, respectively. The metal supplier pays $0.5/kg, irrespective of the type of metal. Determine the material cost, if the following metals are used for casting: a. Aluminum (ρ = 2.7 g/cm3 ; cost = $1.85/kg) b. Grey Iron (ρ = 6.8 g/cm3; cost = $1.38/kg) Calculate the overall efficiency of the economic conversion of raw materials.
In a process of metal casting, the final product’s volume is 1275 cm3. Casting waste, scrap allowance, and shrinkage allowance are 8%, 12%, and 3.5%, respectively. The metal supplier pays $0.5/kg, irrespective of the type of metal. Determine the material cost, if the following metals are used for casting: a. Aluminum (ρ = 2.7 g/cm3 ; cost = $1.85/kg) b. Grey Iron (ρ = 6.8 g/cm3; cost = $1.38/kg) Calculate the overall efficiency of the economic conversion of raw materials.
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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In a process of metal casting, the final product’s volume is 1275 cm3. Casting waste, scrap allowance, and shrinkage allowance are 8%, 12%, and 3.5%, respectively. The metal supplier pays $0.5/kg, irrespective of the type of metal. Determine the material cost, if the following metals are used for casting:
a. Aluminum (ρ = 2.7 g/cm3 ; cost = $1.85/kg)
b. Grey Iron (ρ = 6.8 g/cm3; cost = $1.38/kg)
Calculate the overall efficiency of the economic conversion of raw materials.
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