Riser Diameter and Riser Height Calculation for Casting Sphere Exercise

What are the required calculations to determine the riser diameter and riser height for casting a sphere with given dimensions?

Given a casting sphere with a diameter of 4 inches, a flask with a drag of 4 inches, and a cope of 6 inches, how can we calculate the riser diameter and height based on the provided dimensions?

Calculation and Final Answer

The riser diameter is 0 inches and the riser height is 6 inches.

To determine the riser diameter and riser height for casting a sphere with the given dimensions, we need to utilize the formula for the volume of a cylinder as the riser dimensions are cylindrical. The riser must be a blind side riser with two inches in the drag.

Given: - Diameter of sphere = 4 inches - Diameter of drag (flask) = 4 inches - Diameter of cope = 6 inches - Riser height in drag = 2 inches

Calculations: - Riser diameter = Diameter of sphere - Diameter of drag = 4 inches - 4 inches = 0 inches - Riser height = Height of sphere + Riser height in drag = 4 inches + 2 inches = 6 inches

Therefore, based on the calculations, the riser diameter for the casting exercise is 0 inches, and the riser height is 6 inches. This ensures that the riser functions effectively in the casting process.

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