A strip of copper metal is riveted to a strip of aluminum. The two metals are th
ID: 2283652 • Letter: A
Question
A strip of copper metal is riveted to a strip of aluminum. The two metals are then heated. The coefficient of linear thermal expansion of aluminum is greater than that of copper. What happens?
The strips shrink without bending.
The strips expand without bending.
The strips expand and bend towards the copper.
The strips expand and bend towards the aluminum.
The strips shrink without bending.
The strips expand without bending.
The strips expand and bend towards the copper.
The strips expand and bend towards the aluminum.
Explanation / Answer
as coefficient of linear thermal expansion of aluminum is greater than that of copper
then ,
the aluminum strip expands more than the copper strip.
The strips expand and bend towards the copper
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