1. The spaces between 13.00-m steel rails are 0.711 cm at – 15°C. If the rails touch at 35.5°C, what is the coefficient of linear expansion?
2. A section of concrete dam is a rectangular solid 20.0 ft by 50.0 ft by 80.0 ft at 115°F.
What allowance for change in volume is necessary for a temperature of – 15°F?
3. A glass ball has a radius of 12.000 cm at 6.0°C. Find its change in volume when the temperature is increased to 81.0°C.
4. Find the final height of a concrete column that is 1.250 m x 1.250 m x 4.250 m at 0.0°C when the column is heated to 45.0°C.