Homework Answers
Givan
thermal expansion for copper and steel is 16x10^-6/K and 12x10^-6/K respectively
Expansion = coefficient of expansion x temperature change
the washer needs to expand 0.0030 cm. (1.3660 - 1.3630)
0.0030 = 0.000016 * ( T(final) - 23.2)
T(final) - 23.2 = 0.0030 / 0.000016
T(final) - 23.2= 187.5
T(final) = 187.5 + 23.2
T(final) = 210.7 degrees C
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