Engineering, 13.09.2019 23:30 derekcalhoun4943
Acasting process was performed using an alloy and certain type of sand mold, it took 147 seconds for a cylindrical shaped alloy with diameter 20mm and length 50mm to solidify a) determine the value of the mold constant in the chvorinov's rule b) if the same alloy and mold type were used, find the total solidification time for a cube shaped casting. the cube is 30mm on a side.
Answers: 1
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Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
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Fluids at rest possess no flow energy. a)- true b)- false
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