A Homeowner Has a New Oil Furnace Which Has an Efficiency

question 13

Multiple Choice

A homeowner has a new oil furnace which has an efficiency of 60%. For every 100 barrels of oil needed to heat his house, how much (in barrels of oil) goes up the chimney as waste heat?

• A) 20
• B) 60
• C) 40
• D) 80
• E) 10

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Definitions:

Marx

Karl Marx, a 19th-century philosopher, economist, and revolutionary, known for his theories about capitalism and communism.

Human Right

A fundamental right that is believed to belong to every person, regardless of race, gender, nationality, ethnicity, language, religion, or any other status.

Tortured

Subjected to intense physical or mental suffering.

Free Health Care

A health system where medical services are provided at no direct cost to the patient, often funded through taxation or public insurance.