In Testing a Hybrid Engine, Various Mixtures of Gasoline and Methanol

question 73

Multiple Choice

In testing a hybrid engine, various mixtures of gasoline and methanol are being tried. How much of a 95%-gasoline mixture and how much of an 80%-gasoline mixture would be needed to make 600 gal of a 90%-gasoline mixture?

• A) 375 gal of the 95%-gasoline mixture,
• 225 gal of the 80%-gasoline mixture.
• B) 190 gal of the 95%-gasoline mixture,
• 210 gal of the 80%-gasoline mixture.
• C) 420 mL of the 95% solution,
• 180 mL of the 80% solution.
• D) 200 gal of the 95%-gasoline mixture,
• 400 gal of the 80%-gasoline mixture.
• E) 400 gal of the 95%-gasoline mixture,
• 200 gal of the 80%-gasoline mixture.

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Definitions:

Communism

A political and economic ideology proposing common ownership of the means of production and the absence of social classes, money, and the state.

Nuclear Annihilation

The complete destruction or obliteration of an area, population, or country through the use of nuclear weapons, a global threat especially during the Cold War era.

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The diplomatic and political relationship between the United States and the Soviet Union during the 20th century, notably characterized by the Cold War.

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