In foundry work, a riser is which one of the following: a. vertical channel into which molten metal is poured into the mold b. choking mechanism at the bottom into the mold O c. foundryman who moves the molten metal to the mold d. reservoirs of molten metal to supply any molten metal to prevent porosity O e. channel in the mold leading from the downsprue to the main mold cavity

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In foundry work, a riser is which one of the following:
a. vertical channel into which molten metal is poured into the mold
b. choking mechanism at the bottom into the mold
C. foundryman who moves the molten metal to the mold
O d. reservoirs of molten metal to supply any molten metal to prevent porosity
e. channel in the mold leading from the downsprue to the main mold cavity
Transcribed Image Text:In foundry work, a riser is which one of the following: a. vertical channel into which molten metal is poured into the mold b. choking mechanism at the bottom into the mold C. foundryman who moves the molten metal to the mold O d. reservoirs of molten metal to supply any molten metal to prevent porosity e. channel in the mold leading from the downsprue to the main mold cavity
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