3971076
Beschreibung
Karteikarten von Beth Stone, aktualisiert more than 1 year ago
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Erstellt von Beth Stone
vor fast 11 Jahre
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| Frage | Antworten |
| True or false All objects emit Infrared Radiation P1 - 1.1 | True |
| What does Emit mean? P1 - 1.1 | Emit means 'Give out' |
| What does absorb mean? P1 - 1.1 | Absorb means 'Take in' |
| What is the equation for Efficiency? P1 - 1.2 | Efficiency = Useful energy out ---------------------- Total energy in Or Efficiency = Useful power out ---------------------- Total power in |
| What is the equation for payback time? P1 - 1.2 | Payback time = Cost of new appliance --------------------------- Cost of energy saved each year |
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