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

question 86

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 __________ joules in one Btu. 1 lb = 453.59 g; °C = (5/9) (°F - 32°) ; specific heat of H₂O (l) = 4.184 J/g-K.

• A)3415
• B)60.29
• C)1054
• D)5.120 × 10^-3
• E)Additional information is needed to complete the calculation.

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Definitions:

Phonological Loop

A rehearsal system that holds and analyzes verbal information.

Language

A system of communication using sounds or symbols that enables humans to express thoughts, emotions, and knowledge.

Evolved

Having developed gradually from a simpler to a more complex form.

Maintenance Rehearsal

The mere repetition of information in the short-term store.