The Graph in the Figure Shows a Cycle for a Heat

question 26

Multiple Choice

The graph in the figure shows a cycle for a heat engine for which Q_H=35 J. What is the thermal efficiency of this engine?

• A) 29 %
• B) 57 %
• C) 14 %
• D) 23 %

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Definitions:

Standard Hours Allowed

The amount of time that should be spent to produce a certain amount of goods or services, according to predetermined standards.

Overhead Volume Variance

A measure used in cost accounting to determine the difference between the allocated overhead costs and the actual overhead costs incurred.

Fixed Overhead Rate

A predetermined rate used to assign fixed overhead costs to cost objects, based on a specific activity level or base.

Normal Capacity Hours

The amount of production capability a company can expect to achieve under normal circumstances over a specific period.