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The Coefficient of Linear Expansion of Aluminum Is 24.0×106 K124.0 \times 10 ^ { - 6 } \mathrm {~K} ^ { - 1 }

Question 23

Multiple Choice

The coefficient of linear expansion of aluminum is 24.0×106 K124.0 \times 10 ^ { - 6 } \mathrm {~K} ^ { - 1 } and the density of aluminum at 0C is 2.70×103 kg/m30 ^ { \circ } \mathrm { C } \text { is } 2.70 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 } \text {. } What is the density of aluminum at 300C ? 300 ^ { \circ } \mathrm { C } \text { ? }


A) 3.93×103 kg/m33.93 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }
B) 2.70×103 kg/m32.70 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }
C) 2.67×103 kg/m32.67 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }
D) 2.73×103 kg/m32.73 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }
E) 2.64×103 kg/m32.64 \times 10 ^ { 3 } \mathrm {~kg} / \mathrm { m } ^ { 3 }

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