Maximum possible coefficient of performance of a heat pump
Question: What is the maximum possible coefficient of performance of a heat pump that brings energy from outdoors at -13.00°C into a 22.0°C house? Note that the work done to run the heat pump is also available to warm up the house.
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What is the maximum possible coefficient of performance of a heat pump that brings energy from outdoors at -13.00°C into a 22.0°C house? Note that the work done to run the heat pump is also available to warm up the house.
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If the heat pump is reversed so that it acts as an air conditioner in the summer, what would be its coefficient of performance?
At the local grocery store, lemons are 52 cents each and limes are 21 cents each. How many lemons and limes can you buy for exactly $3.75?
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