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:

Sociometric Status

A measure of an individual's social standing within a group, determined by peers, often used in research on children’s and adolescents' social networks.

Shy

Characterized by feelings of nervousness or timidity in the presence of others, often leading to avoidance of social situations.

Lonely

Feeling sad or isolated because of a perceived lack of companionship or separation from others.

Sociogram

A visual tool that maps out the relationships within a group, identifying who likes whom, who interacts with whom, or the social connections and cliques within the group.