A jeweler wishes to produce 24 gold rings in one investment-casting operation, as illustrated. The..

A jeweler
wishes to produce 24 gold rings in one investment-casting operation, as
illustrated. The wax parts are attached to a wax central sprue 12 mm in
diameter. The rings are located in four rows, each 12 mm from the other on the
sprue. The rings require a 3-mm diameter, 12-mm long runner to the sprue.
Estimate the weight of gold needed to completely fill the rings, runners, and
sprues. The specific gravity of gold is 19.3.

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