What Is the Percent Efficiency (E)of an Engine If the Input

question 9

Multiple Choice

What is the percent efficiency (E) of an engine if the input (I) is 20,000 calories and the output (P) is 6,200 calories? Use the formula: $$E = \frac { I - P } { I }$$

• A)1.45
• B)0.69
• C)2.23
• D)0.45

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Definitions:

Portuguese

Relating to Portugal or its people, language, or culture.

Feitorias

Portuguese trade posts or forts established primarily along the coasts of Africa and Asia for the purposes of trade, exploration, and colonial expansion.

Navigational Technology

Tools and systems used to determine the position and course of ships, aircraft, and other vehicles, increasingly based on GPS and other advanced technologies.