Activity 8: Energized Directions: Complete the statement by underlining the correct term in the parenthesis. 1. Input energy is usually the energy (supplied, used) by a device.
2. Thermal efficiency of a device/appliance is (always, never) one hundred percent.
3. Some of the input energy is released to the environment as (waste energy, useful energy).
4. The energy used up by a device is called the (input energy, output energy). 5. To determine the thermal efficiency of a device simply (add, divide) the output energy by the input energy times 100%.
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Answer:
1.used
2.never
3.useful energy
4.input energy
5.devide