Quiz 19:

1. Temperature of a subtance is...

• A. a measure of the amount of heat an object has.
• B. a measure of the total potential energy of the particles comprising the substance
• C. a measure of the total kinetic energy of the particles comprising the substance.
• D. a measure of the average potential energy of the particles comprising the substance.
• E. a measure of the average kinetic energy of the particles comprising the substance.

2. On what range of temperature does water contract with increase of temperature instead of expanding? ...

• A. between 0 and 4 degree Celsius
• B. between -4 and 4 degree Celsius
• C. between 0 and 4 degree Fahrenheit
• D. between 0 and -4 degree Fahrenheit
• E. between 0 and -4 degree Celsius

3. 20°F is equal to

• A. -0.731 °C
• B. -6.667 °C
• C. -2.026 °C
• D. -5.016 °C
• E. -9.997 °C

4. 14°F is equal to

• A. 116.476 °K
• B. 263 °K
• C. 47.906 °K
• D. 483.45 °K
• E. 159.738 °K

5. A thermometer is based on the change of volume with change in temperature of a fluid in a tube. The fluid rises to a level of 0.02 m when the temperature is 6.5 °C and to a level of 0.13 m when the temperature is 19.5 °C. Obtain the calibrating equation; that is a formula for the temperature ( T ) in terms of the fluid level ( L ).

• A. T = 118.182 * L + 4.691
• B. T = 101.164 * L + 2.664
• C. T = 157.536 * L + 4.691
• D. T = 118.182 * L + 4.136
• E. T = 101.164 * L + 4.136

6. A thermometer is based on the change of volume with change in temperature of a fluid in a tube. The fluid rises to a level of 0.025 m when the temperature is 9 °C and to a level of 0.11 m when the temperature is 18 °C. Determine the reading of the thermometer when the fluid rises to a level of 0.24 m.

• A. 31.765 °C
• B. 36.371 °C
• C. 38.816 °C
• D. 22.966 °C
• E. 45.836 °C

7. Calculate the change in length of an aluminum rod of length 9 m when its temperature increases by 70 °C. (Coefficient of linear expansion of aluminum is 2.4e-5 ⁄ °C)

• A. 2.367e-2 m
• B. 0.445e-2 m
• C. 1.512e-2 m
• D. 1.18e-2 m
• E. 0.602e-2 m

8. An aluminum rod has a length of 17 m at a temperature of 20 °C. Calculate its length at a temperature of 200 °C. (Coefficient of linear expansion for aluminum is 2.4e-5 ⁄ °C. )

• A. 7.888 m
• B. 24.522 m
• C. 17.073 m
• D. 26.33 m
• E. 21.12 m

9. Calculate the change in area of a circular plate of radius 0.07 m made of steel when its temperature changes by 150 °C. (Coefficient of linear expansion for steel is 1.1e-5 ⁄°C)

• A. 50.8e-6 m ²
• B. 11.851e-6 m²
• C. 36.376e-6 m²
• D. 26.494e-6 m²
• E. 59.078e-6 m²

10. Calculate the change in volume of a solid aluminum cube of side 0.075 m when its temperature changes by 170 °C. (Coefficient of linear expansion of aluminum is 2.4e-5 ⁄ °C)

• A. 5.164e-6 m³
• B. 7.982e-6 m³
• C. 7.179e-6 m³
• D. 2.581e-6 m³
• E. 9.766e-6 m³