Suppose you have been commissioned to design a bimetallic strip thermometer like the one shown in the figure. In addition, you have been instructed that metal 2 must be copper and must be the one that experiences the greatest curvature. Which of the following materialis) in the table could be used as metal 1, so that when the bimetallic strip is heated it bends downward? Material Aluminum Coefficient of linear expansion a(K³) 2.4 x 105 Steel 1.2 x 10 1.7 x 10 2.0 x 10 1.9 x 10 Copper Brass Bronze a) Steel. b) Aluminum, bronze and brass. c) Only aluminum and brass. d) Only bronze and brass.
Suppose you have been commissioned to design a bimetallic strip thermometer like the one shown in the figure. In addition, you have been instructed that metal 2 must be copper and must be the one that experiences the greatest curvature. Which of the following materialis) in the table could be used as metal 1, so that when the bimetallic strip is heated it bends downward? Material Aluminum Coefficient of linear expansion a(K³) 2.4 x 105 Steel 1.2 x 10 1.7 x 10 2.0 x 10 1.9 x 10 Copper Brass Bronze a) Steel. b) Aluminum, bronze and brass. c) Only aluminum and brass. d) Only bronze and brass.
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