5 Questions
In the context of power usage, what is the average daily power usage for electricity and gas combined?
13 kWh + 10,800 kJ
What is the formula for mechanical energy efficiency?
Efficiency = (Useful energy output / Total energy input) * 100%
What is the efficiency of an engine that produces 7 kW of electricity from a 29 MJ/h input?
87%
What is the formula to convert temperature from Celsius to Kelvin?
K = C + 273.16
What is the temperature in Fahrenheit if the temperature in Celsius is 25.5°C?
-2.2°F
Test your knowledge of energy efficiency calculation and units conversion with this quiz. Practice solving problems involving power, energy, and efficiency to enhance your understanding of these concepts.
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