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1 Give the units for the coefficient of thermal expansion in the USCS and SI systems

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1 Give the units for the coefficient of thermal expansion in the USCS and SI systems.

2. Find the free-expansional strains of a glass/epoxy unidirectional lamina under a temperature change of –100°C and a moisture absorption of 0.002 kg/kg. Also find the temperature change for which the transverse expansional strains vanish for a moisture absorption of 0.002 kg/kg. Use the properties of a unidirectional glass/epoxy lamina from Table 2.1.