Air Enters a Hot-Air Furnace at 7 $\degree$ C and Leaves at 77

question 4

Multiple Choice

Air enters a hot-air furnace at 7 $\degree$ C and leaves at 77 $\degree$ C. If the pressure does not change each entering cubic foot of air expands to:

• A) 0.80 m³
• B) 1.25 m³
• C) 1.9 m³
• D) 7.0 m³
• E) 11 m³

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