The Temperature T_C of the Cold Reservoirs and the Temperatures

question 32

Multiple Choice

The temperature T_C of the cold reservoirs and the temperatures T_H of the hot reservoirs for four Carnot heat engines are Rank these engines according to their efficiencies, least to greatest

• A) 1, 2, 3, 4
• B) 1 and 2 tie, then 3 and 4 tie
• C) 2, 1, 3, 4
• D) 1, 2, 4, 3
• E) 2, 1, 4, 3

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Definitions:

Machine Hours

A measure of the amount of time a machine is operating during a specific period.

Under/Overapplied Overhead

This term identifies the discrepancy between the estimated overhead costs allocated to products or services and the actual overhead costs incurred.

Standard Cost

The estimated or predetermined cost of manufacturing a single unit of product or performing a service, used for budgetary and performance evaluation purposes.

Fixed Overhead Volume Variance

A financial metric that measures the difference between the budgeted and actual fixed overhead costs, influenced by changes in production volume.