Molten metal can be poured into the pouring cup of a sand mold at a steady rate of 1000 cm3 /s. The molten metal overflows the pouring cup and flows i
Molten metal can be poured into the pouring cup of a sand mold at a steady rate of 1000 cm3 /s. The molten metal overflows the pouring cup and flows into the downsprue. The cross section of the sprue is round, with a diameter at the top = 3.4 cm. If the sprue is 25 cm long, determine the proper diameter at its base so as to maintain the same volume flow rate.