Efficiency Is

question 21

Multiple Choice

Efficiency is

• A) the ratio of energy output to energy input.
• B) the ratio of energy input to energy output.
• C) the term used in describing heat energy.
• D) a rating scale for combustion engines.
• E) directly proportional to radiation.

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Definitions:

Cerveteri

An ancient city in Italy, known for its Etruscan necropolis with elaborate tombs, reflecting the social and cultural life of the Etruscans.

Pectoral

An ornament on the chest.

Fibula

An ancient brooch or pin, typically used in Greek and Roman dress as a fastener or decorative item.

Tinia

The chief god of the Etruscan pantheon, equivalent to the Roman Jupiter and Greek Zeus, known as the god of sky and thunder.