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Physics, 07.03.2021 23:40 4Tris

Para asegurar un ajuste perfecto, los remaches de aluminio usados en los aviones se fabrican ligeramente más gruesos que los orificios y se los enfría con hielo seco (CO2sólido) antes de ser introducidos en los orificios. Si el diámetro de un orificio es de 20 mm . Cuál debe ser el diámetro del remache a 20 ºC para que su diámetro sea igual al orificio cuando se enfría a -78 ºC que es la temperatura del hielo seco. coef. del aluminio= 24x10-6ºC-1.

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