Which Has More Total Energy: a Cup of Boiling Water

question 64

Multiple Choice

Which has more total energy: a cup of boiling water at 100°C or a swimming pool of slightly cooler water at 90°C?

• A)The cup of boiling water at 100°C has more energy.
• B)The swimming pool at 90°C has more energy.
• C)They both have the same amount of energy because they are both made of water.
• D)It is not possible to answer this question without knowing the ambient temperature surrounding each body of water.

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Definitions:

Machine-Hours

A measure of production output or activity based on the number of hours machines are operated in the manufacturing process.

Predetermined Overhead Rate

A predetermined overhead rate is the rate used to allocate estimated overhead costs to products or services based on a specific cost driver.

Machine-Hours

The total hours that machinery is operated in the production process, used as a basis for allocating manufacturing overhead.

Predetermined Overhead Rate

A rate calculated before a period begins, based on the estimated overhead costs and expected activity levels, used to apply overhead to products or job costs.