The Inside Temperature of a House Is 65 °F

question 41

Multiple Choice

The inside temperature of a house is 65 °F. When the temperature outside the house is 35 °F, the furnace supplies 100 joules per hour to keep the inside of the house warm. If the temperature outside the house increases to 50 °F, then what is the fuel consumption of the furnace? Assume the house loses heat through conduction only.

• A) 38 joules per hour
• B) 42 joules per hour
• C) 50 joules per hour
• D) 56 joules per hour
• E) 61 joules per hour

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