Engineering, 13.09.2019 23:30, dontcareanyonemo

Arectangular plate casting has dimensions 200mm x 100mm x 20mm. the riser for this sand casting mold is in the shape of a sphere. the casting takes 3.5mins to solidify. calculate the diameter of the riser so that it takes 20% longer for the riser to solidify

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Arectangular plate casting has dimensions 200mm x 100mm x 20mm. the riser for this sand casting mold...