The British Thermal Unit (Btu)is Commonly Used in Engineering Applications

question 90

Multiple Choice

The British thermal unit (Btu) is commonly used in engineering applications. A Btu is defined as the amount of heat required to raise the temperature of 1 lb of water by 1 °F. There are ________ Btu in one Joule. 1 lb = 453.59 g; °C = (5/9) (°F - 32°) ; specific heat of H₂O (l) = 4.184 J/g-K.

• A)1056 Btu
• B)1.896 × 10^-3 Btu
• C)9.278 × 10^-4 Btu
• D)5.120 × 10^-3 Btu
• E)Additional information is needed to complete the calculation.

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