Physics, 03.07.2019 05:20 stormhorn5108
In a sand casting process the volume flow rate of metal into a mold is 0.02 m/( the top of the sprue has a diameter of 200 mm and a length of 500 mm. what diameter should be specified at the middle and at the bottom of the sprue to have a continuous flow (avoid aspiration)? if the reynold's number at the bottom of the sprue is greater than 20,000 what changes do you suggest (changes to the material or the mold design) in order to avoid a turbulent flow?
Answers: 2
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Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.
Answers: 1
In a sand casting process the volume flow rate of metal into a mold is 0.02 m/( the top of the sprue...
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