Lab 10:

1. Procedure I.1
The rod used in the experiment is aluminum. The accepted value of temperature coefficient of linear expansion of aluminum is...

• A. 2.4e-5 / °C
• B. 1.7e-5 / °C
• C. 4.1e-5 / °C
• D. 1.1e-5 / °C
• E. 3.2e-5 / °C

2. The experiment is based on the following video of a simulation.

Procedure I.2
The measured length of the aluminum rod is...

• A. 0.4 m
• B. 0.5 m
• C. 0.3 m
• D. 0.6 m
• E. 0.61 m

3. Procedure I.6
The initial reading of the micrometer is ...

• A. 0.5 m
• B. 0.1 m
• C. 0.0 m
• D. 0.2 m
• E. 0.3 m

4. Procedure I.11
The initial temperature (before it is heated) of the rod is...

• A. 20 °C
• B. 30 °C
• C. 28 °C
• D. 22 °C
• E. 25 °C

5. Procedure I.13
The final temperature of the rod after it is heated with steam is

• A. 100 °C
• B. 105 °C
• C. 95 °C
• D. 85 °C
• E. 90 °C

6. Procedure I.13
The change in temperature of the rod after it is heated with steam is

• A. 80 °C
• B. 95 °C
• C. 60 °C
• D. 55 °C
• E. 75 °C

7. Procedure I.14
The final reading of the micrometer after the expansion of of the rod due to change of temperature is

• A. 0.00095 m
• B. 0.0011 m
• C. 0.00089 m
• D. 0.00082 m
• E. 0.00077 m

8. Procedure I.14
The expansion of the rod due to the change in temperature is

• A. 0.00089 m
• B. 0.00075 m
• C. 0.00082 m
• D. 0.00095 m
• E. 0.00105 m

9. Procedure I.15
The measured temperature coefficient of linear expansion of aluminum is

• A. 2.543 e-5 / °C
• B. 1.232 e-5 / °C
• C. 1.576 e-5 / °C
• D. 1.945e-5 / °C
• E. 1.732 e-5 / °C

10. Procedure I.16
The percentage error between the accepted value and the measured value of the temperature coefficient of linear expansion of aluminum is

• A. 10.765%
• B. 15.211%
• C. 18.944%
• D. 21.534%
• E. 4.254%