A Certain Engine Extracts 1300 J of Heat from a Hot

question 18

Multiple Choice

A certain engine extracts 1300 J of heat from a hot temperature reservoir and discharges 700 J of heat to a cold temperature reservoir.What is the efficiency of this engine?

• A) 46%
• B) 54%
• C) 86%
• D) 27%
• E) 13%

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Definitions:

Diffusion of Knowledge

The process by which information, ideas, or innovations spread within a group or from one group to another.

Exploitation

The act of taking unfair advantage of someone or something, often for personal gain while neglecting the welfare of others.

New Products

Goods or services that have been recently introduced to the market, offering novel features or improvements over existing offerings.

R&D

Research and Development (R&D) denotes the activities related to the innovation and improvement of products and processes.