Which of the following do heat pumps use in geothermal energy?
A. Earth’s variable temperature
B. Variable electricity
C. Constant electricity
D. Earth’s constant temperature
Answer:D
Which of the following do heat pumps use in geothermal energy?
A. Earth’s variable temperature B. Variable electricity C. Constant electricity D. Earth’s constant temperature
Explanation: Geothermal heat pumps use the constant temperature of earth as an exchange medium for heat. Although seasonal changes vary the atmospheric temperature, the temperatures below the earth’s surface remains relatively constant.