The Figure Shows a PV Diagram for a Cycle of a Heat

question 15

Multiple Choice

The figure shows a pV diagram for a cycle of a heat engine for which Q_H = 59 J. What is the thermal efficiency of the engine?

• A)17%
• B)34%
• C)8.5%
• D)14%

---

Definitions:

Scientific Management

A theory of management that analyzes and synthesizes workflows, aiming to improve economic efficiency and labor productivity through systematic study.

Mass Production

A manufacturing technique that involves producing large quantities of standardized products, often on assembly lines.

Human Resource Management

The strategic approach to the effective management of people in an organization, focusing on policies and systems to maximize employee performance.

Mainstream Economics

The body of economic thought and theories that are widely accepted and taught across major universities and employed in policy-making by most governments.